This page is part of the Logica COVID-19 FHIR Profile Library IG (v0.14.0: Drafts Ballot 2) based on FHIR R4. The current version which supercedes this version is 1.0.0. For a full list of available versions, see the Directory of published versions

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Resource Profile: COVID19UnderlyingConditionObservation - TTL Profile

TTL representation of the covid19-underlying-condition-observation resource profile.

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@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

 a fhir:StructureDefinition;
  fhir:nodeRole fhir:treeRoot;
  fhir:Resource.id [ fhir:value "covid19-underlying-condition-observation"];
  fhir:DomainResource.text [
     fhir:Narrative.status [ fhir:value "extensions" ];
     fhir:Narrative.div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" style=\"border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;\"><tr style=\"border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top\"><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"The logical name of the element\">Name</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"Information about the use of the element\">Flags</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"Minimum and Maximum # of times the the element can appear in the instance\">Card.</a></th><th style=\"width: 100px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"Reference to the type of the element\">Type</a></th><th style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"Additional information about the element\">Description &amp; Constraints</a><span style=\"float: right\"><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"Legend for this format\"><img src=\"http://hl7.org/fhir/R4/help16.png\" alt=\"doco\" style=\"background-color: inherit\"/></a></span></th></tr><tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_resource.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation\">Observation</a><a name=\"Observation\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">*</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"StructureDefinition-covid19-underlying-condition-observation-parent.html\">UnderlyingConditionObservationParent</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Measurements and simple assertions</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Definition\" class=\"hierarchy\"/> <a style=\"font-style: italic\" href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component\">Slices for component</a><a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"font-style: italic\"/><span style=\"opacity: 0.5; font-style: italic\">0</span><span style=\"opacity: 0.5; font-style: italic\">..</span><span style=\"opacity: 0.5; font-style: italic\">*</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5; font-style: italic\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5; font-style: italic\">Component results</span><br style=\"font-style: italic\"/><span style=\"font-weight:bold; font-style: italic\">Slice: </span><span style=\"font-style: italic\">Unordered, Open by pattern:code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck033.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> component:All Slices<a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Content/Rules for all slices</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0334.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component.extension:conditionCategoryCode\" title=\"Slice conditionCategoryCode\">extension:conditionCategoryCode</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"padding-left: 3px; padding-right: 3px; color: white; background-color: red\" title=\"This element must be supported\">S</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-category-code.html\" title=\"Extension\">COVID19UnderlyingConditionCategoryCode</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0324.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component.extension:conditionReference\" title=\"Slice conditionReference\">extension:conditionReference</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"padding-left: 3px; padding-right: 3px; color: white; background-color: red\" title=\"This element must be supported\">S</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-reference.html\" title=\"Extension\">COVID19UnderlyingConditionReference</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Reference</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMedicalCondition\" title=\"Slice COVID19UnderlyingMedicalCondition: Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource.\">component:COVID19UnderlyingMedicalCondition</a><a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">COVID19 Underlying Medical Condition<br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionCategoryCode\" title=\"Slice conditionCategoryCode\">extension:conditionCategoryCode</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-category-code.html\" title=\"Extension\">COVID19UnderlyingConditionCategoryCode</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03541.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.extension.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span><br/><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">At least the following</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035401.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#CodeableConcept.coding\">coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Coding\">Coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Code defined by a terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">(complex)</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354010.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.system\">system</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Identity of the terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><a style=\"color: darkgreen\" href=\"CodeSystem-covid19-underlying-condition-category-cs.html\">http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354000.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Symbol in syntax defined by the system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">MEDCOND</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionReference\" title=\"Slice conditionReference\">extension:conditionReference</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-reference.html\" title=\"Extension\">COVID19UnderlyingConditionReference</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Reference</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03540.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_reference.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionReference.valueReference\">valueReference</a><a name=\"Observation.component.extension.valueReference\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"StructureDefinition-COVID-19-underlying-medical-condition.html\">COVID-19 General Underlying Conditions Present</a>)</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0350.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMedicalCondition.code\">code</a><a name=\"Observation.component.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Type of component observation (code / type)</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-covid19-underlying-medical-condition-vs.html\">COVID-19 Underlying Medical Condition Value Set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0340.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMedicalCondition.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Actual component result</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-present-absent-unknown-vs.html\">Present, Absent, Unknown Value Set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingCardiovascularMedicalCondition\" title=\"Slice COVID19UnderlyingCardiovascularMedicalCondition: Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource.\">component:COVID19UnderlyingCardiovascularMedicalCondition</a><a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">COVID19 Underlying Cardiovascular Condition<br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionCategoryCode\" title=\"Slice conditionCategoryCode\">extension:conditionCategoryCode</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-category-code.html\" title=\"Extension\">COVID19UnderlyingConditionCategoryCode</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03541.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.extension.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span><br/><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">At least the following</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035401.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#CodeableConcept.coding\">coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Coding\">Coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Code defined by a terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">(complex)</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354010.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.system\">system</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Identity of the terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><a style=\"color: darkgreen\" href=\"CodeSystem-covid19-underlying-condition-category-cs.html\">http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354000.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Symbol in syntax defined by the system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">CARCOND</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionReference\" title=\"Slice conditionReference\">extension:conditionReference</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-reference.html\" title=\"Extension\">COVID19UnderlyingConditionReference</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Reference</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03540.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_reference.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionReference.valueReference\">valueReference</a><a name=\"Observation.component.extension.valueReference\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"StructureDefinition-underlying-cardiovascular-medical-condition.html\">COVID-19 cardiovascular underlying condition</a>)</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0350.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.code\">code</a><a name=\"Observation.component.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Type of component observation (code / type)</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-covid19-underlying-cardiovascular-condition-value-set.html\">COVID-19 cardiovascular underlying condition reference set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0340.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Actual component result</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-present-absent-unknown-vs.html\">Present, Absent, Unknown Value Set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingNeuroligicMedicalCondition\" title=\"Slice COVID19UnderlyingNeuroligicMedicalCondition: Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource.\">component:COVID19UnderlyingNeuroligicMedicalCondition</a><a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">COVID19 Underlying Neurologic Condition<br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionCategoryCode\" title=\"Slice conditionCategoryCode\">extension:conditionCategoryCode</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-category-code.html\" title=\"Extension\">COVID19UnderlyingConditionCategoryCode</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03541.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.extension.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span><br/><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">At least the following</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035401.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#CodeableConcept.coding\">coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Coding\">Coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Code defined by a terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">(complex)</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354010.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.system\">system</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Identity of the terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><a style=\"color: darkgreen\" href=\"CodeSystem-covid19-underlying-condition-category-cs.html\">http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354000.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Symbol in syntax defined by the system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">NEUROCOND</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionReference\" title=\"Slice conditionReference\">extension:conditionReference</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-reference.html\" title=\"Extension\">COVID19UnderlyingConditionReference</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Reference</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03540.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_reference.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionReference.valueReference\">valueReference</a><a name=\"Observation.component.extension.valueReference\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"StructureDefinition-underlying-neuroligic-medical-condition.html\">COVID-19 neurologic underlying condition</a>)</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0350.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.code\">code</a><a name=\"Observation.component.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Type of component observation (code / type)</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-covid19-underlying-neurolgic-condition-value-set.html\">COVID-19 neurologic underlying condition reference set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0340.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Actual component result</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-present-absent-unknown-vs.html\">Present, Absent, Unknown Value Set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition\" title=\"Slice COVID19UnderlyingImmunocompromisedMedicalCondition: Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource.\">component:COVID19UnderlyingImmunocompromisedMedicalCondition</a><a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">COVID19 Underlying Immunocompromised Condition<br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionCategoryCode\" title=\"Slice conditionCategoryCode\">extension:conditionCategoryCode</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-category-code.html\" title=\"Extension\">COVID19UnderlyingConditionCategoryCode</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03541.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.extension.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span><br/><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">At least the following</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035401.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#CodeableConcept.coding\">coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Coding\">Coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Code defined by a terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">(complex)</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354010.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.system\">system</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Identity of the terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><a style=\"color: darkgreen\" href=\"CodeSystem-covid19-underlying-condition-category-cs.html\">http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354000.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Symbol in syntax defined by the system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">IMMUNOCOND</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionReference\" title=\"Slice conditionReference\">extension:conditionReference</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-reference.html\" title=\"Extension\">COVID19UnderlyingConditionReference</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Reference</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03540.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_reference.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionReference.valueReference\">valueReference</a><a name=\"Observation.component.extension.valueReference\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"StructureDefinition-underlying-immunocompromised-medical-condition.html\">COVID-19 immunocompromised underlying condition</a>)</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0350.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.code\">code</a><a name=\"Observation.component.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Type of component observation (code / type)</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-covid19-underlying-immunocompromised-condition-value-set.html\">COVID-19 immunocompromised underlying condition reference set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0340.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Actual component result</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-present-absent-unknown-vs.html\">Present, Absent, Unknown Value Set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RespiratoryUnderlyingMedicalCondition\" title=\"Slice COVID19RespiratoryUnderlyingMedicalCondition: Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource.\">component:COVID19RespiratoryUnderlyingMedicalCondition</a><a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">COVID19 Underlying Respiratory Condition<br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionCategoryCode\" title=\"Slice conditionCategoryCode\">extension:conditionCategoryCode</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-category-code.html\" title=\"Extension\">COVID19UnderlyingConditionCategoryCode</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03541.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.extension.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span><br/><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">At least the following</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035401.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#CodeableConcept.coding\">coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Coding\">Coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Code defined by a terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">(complex)</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354010.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.system\">system</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Identity of the terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><a style=\"color: darkgreen\" href=\"CodeSystem-covid19-underlying-condition-category-cs.html\">http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354000.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Symbol in syntax defined by the system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">RESCOND</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionReference\" title=\"Slice conditionReference\">extension:conditionReference</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-reference.html\" title=\"Extension\">COVID19UnderlyingConditionReference</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Reference</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03540.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_reference.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionReference.valueReference\">valueReference</a><a name=\"Observation.component.extension.valueReference\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"StructureDefinition-underlying-respiratory-medical-condition.html\">COVID-19 respiratory underlying condition</a>)</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0350.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.code\">code</a><a name=\"Observation.component.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Type of component observation (code / type)</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-covid19-underlying-respiratory-condition-value-set.html\">COVID-19 respiratory underlying condition reference set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0340.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Actual component result</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-present-absent-unknown-vs.html\">Present, Absent, Unknown Value Set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMetabolicMedicalCondition\" title=\"Slice COVID19UnderlyingMetabolicMedicalCondition: Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource.\">component:COVID19UnderlyingMetabolicMedicalCondition</a><a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">COVID19 Underlying Metabolic Condition<br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionCategoryCode\" title=\"Slice conditionCategoryCode\">extension:conditionCategoryCode</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-category-code.html\" title=\"Extension\">COVID19UnderlyingConditionCategoryCode</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03541.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.extension.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span><br/><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">At least the following</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035401.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#CodeableConcept.coding\">coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Coding\">Coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Code defined by a terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">(complex)</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354010.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.system\">system</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Identity of the terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><a style=\"color: darkgreen\" href=\"CodeSystem-covid19-underlying-condition-category-cs.html\">http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354000.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Symbol in syntax defined by the system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">METCOND</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionReference\" title=\"Slice conditionReference\">extension:conditionReference</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-reference.html\" title=\"Extension\">COVID19UnderlyingConditionReference</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Reference</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03540.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_reference.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionReference.valueReference\">valueReference</a><a name=\"Observation.component.extension.valueReference\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"StructureDefinition-underlying-metabolic-medical-condition.html\">COVID-19 metabolic underlying condition</a>)</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0350.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMetabolicMedicalCondition.code\">code</a><a name=\"Observation.component.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Type of component observation (code / type)</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-covid19-underlying-metabolic-condition-value-set.html\">COVID-19 metabolic underlying condition reference set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0340.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UnderlyingMetabolicMedicalCondition.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Actual component result</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-present-absent-unknown-vs.html\">Present, Absent, Unknown Value Set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition\" title=\"Slice COVID19HemoglobinopathyUnderlyingMedicalCondition: Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource.\">component:COVID19HemoglobinopathyUnderlyingMedicalCondition</a><a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">COVID19 Underlying Hemoglobinopathy Condition<br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionCategoryCode\" title=\"Slice conditionCategoryCode\">extension:conditionCategoryCode</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-category-code.html\" title=\"Extension\">COVID19UnderlyingConditionCategoryCode</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03541.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.extension.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span><br/><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">At least the following</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035401.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#CodeableConcept.coding\">coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Coding\">Coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Code defined by a terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">(complex)</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354010.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.system\">system</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Identity of the terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><a style=\"color: darkgreen\" href=\"CodeSystem-covid19-underlying-condition-category-cs.html\">http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354000.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Symbol in syntax defined by the system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">HEMCOND</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionReference\" title=\"Slice conditionReference\">extension:conditionReference</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-reference.html\" title=\"Extension\">COVID19UnderlyingConditionReference</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Reference</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03540.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_reference.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionReference.valueReference\">valueReference</a><a name=\"Observation.component.extension.valueReference\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"StructureDefinition-underlying-hemoglobinopathy-medical-condition.html\">COVID-19 hemoglobinopathy underlying condition</a>)</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0350.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.code\">code</a><a name=\"Observation.component.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Type of component observation (code / type)</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-covid91-underlying-hemoglobinopathy-condition-value-set.html\">COVID-19 hemoglobinopathy underlying condition reference set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0340.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Actual component result</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-present-absent-unknown-vs.html\">Present, Absent, Unknown Value Set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RenalUnderlyingMedicalCondition\" title=\"Slice COVID19RenalUnderlyingMedicalCondition: Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource.\">component:COVID19RenalUnderlyingMedicalCondition</a><a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">COVID19 Underlying Renal Condition<br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionCategoryCode\" title=\"Slice conditionCategoryCode\">extension:conditionCategoryCode</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-category-code.html\" title=\"Extension\">COVID19UnderlyingConditionCategoryCode</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03541.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.extension.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span><br/><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">At least the following</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035401.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#CodeableConcept.coding\">coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Coding\">Coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Code defined by a terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">(complex)</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354010.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.system\">system</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Identity of the terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><a style=\"color: darkgreen\" href=\"CodeSystem-covid19-underlying-condition-category-cs.html\">http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354000.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Symbol in syntax defined by the system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">RENCOND</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionReference\" title=\"Slice conditionReference\">extension:conditionReference</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-reference.html\" title=\"Extension\">COVID19UnderlyingConditionReference</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Reference</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03540.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_reference.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionReference.valueReference\">valueReference</a><a name=\"Observation.component.extension.valueReference\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"StructureDefinition-underlying-renal-medical-condition.html\">COVID-19 renal underlying condition</a>)</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0350.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RenalUnderlyingMedicalCondition.code\">code</a><a name=\"Observation.component.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Type of component observation (code / type)</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-covid19-underlying-renal-condition-value-set.html\">COVID-19 renal underlying condition reference set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0340.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19RenalUnderlyingMedicalCondition.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Actual component result</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-present-absent-unknown-vs.html\">Present, Absent, Unknown Value Set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19ImmuneUnderlyingMedicalCondition\" title=\"Slice COVID19ImmuneUnderlyingMedicalCondition: Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource.\">component:COVID19ImmuneUnderlyingMedicalCondition</a><a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">COVID19 Underlying Immune Condition<br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionCategoryCode\" title=\"Slice conditionCategoryCode\">extension:conditionCategoryCode</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-category-code.html\" title=\"Extension\">COVID19UnderlyingConditionCategoryCode</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03541.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.extension.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span><br/><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">At least the following</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035401.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#CodeableConcept.coding\">coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Coding\">Coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Code defined by a terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">(complex)</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354010.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.system\">system</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Identity of the terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><a style=\"color: darkgreen\" href=\"CodeSystem-covid19-underlying-condition-category-cs.html\">http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354000.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Symbol in syntax defined by the system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">IMMCOND</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionReference\" title=\"Slice conditionReference\">extension:conditionReference</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-reference.html\" title=\"Extension\">COVID19UnderlyingConditionReference</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Reference</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03540.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_reference.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionReference.valueReference\">valueReference</a><a name=\"Observation.component.extension.valueReference\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"StructureDefinition-underlying-immune-medical-condition.html\">COVID-19 immune underlying condition</a>)</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0350.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19ImmuneUnderlyingMedicalCondition.code\">code</a><a name=\"Observation.component.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Type of component observation (code / type)</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-covid19-underlying-immune-condition-value-set.html\">COVID-19 immune underlying condition reference set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0340.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19ImmuneUnderlyingMedicalCondition.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Actual component result</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-present-absent-unknown-vs.html\">Present, Absent, Unknown Value Set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition\" title=\"Slice COVID19GastrointestinalHepaticUnderlyingMedicalCondition: Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource.\">component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition</a><a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">COVID19 Underlying Gastrointestinal or Hepatic Condition<br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionCategoryCode\" title=\"Slice conditionCategoryCode\">extension:conditionCategoryCode</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-category-code.html\" title=\"Extension\">COVID19UnderlyingConditionCategoryCode</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03541.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.extension.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span><br/><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">At least the following</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck035401.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#CodeableConcept.coding\">coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Coding\">Coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Code defined by a terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">(complex)</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354010.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.system\">system</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Identity of the terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><a style=\"color: darkgreen\" href=\"CodeSystem-covid19-underlying-condition-category-cs.html\">http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0354000.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Symbol in syntax defined by the system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">GSHCOND</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0355.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionReference\" title=\"Slice conditionReference\">extension:conditionReference</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-reference.html\" title=\"Extension\">COVID19UnderlyingConditionReference</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Reference</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck03540.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_reference.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionReference.valueReference\">valueReference</a><a name=\"Observation.component.extension.valueReference\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"StructureDefinition-underlying-gastrointestinal-hepatic-medical-condition.html\">COVID-19 gastrointestinal and hepatic underlying condition</a>)</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0350.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.code\">code</a><a name=\"Observation.component.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Type of component observation (code / type)</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-covid19-underlying-gastrointestinal-hepatic-condition-value-set.html\">COVID-19 gastrointestinal or hepatic underlying condition reference set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0340.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Actual component result</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-present-absent-unknown-vs.html\">Present, Absent, Unknown Value Set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck025.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slicer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UncategorizedUnderlyingMedicalCondition\" title=\"Slice COVID19UncategorizedUnderlyingMedicalCondition: Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource.\">component:COVID19UncategorizedUnderlyingMedicalCondition</a><a name=\"Observation.component\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..*</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#BackboneElement\">BackboneElement</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">COVID19 Underlying Uncategorized Condition<br/></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0255.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionCategoryCode\" title=\"Slice conditionCategoryCode\">extension:conditionCategoryCode</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-category-code.html\" title=\"Extension\">COVID19UnderlyingConditionCategoryCode</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Code</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck02541.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.extension.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span><br/><span style=\"font-weight:bold\">Required Pattern: </span><span style=\"color: darkgreen\">At least the following</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck025401.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#CodeableConcept.coding\">coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..*</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#Coding\">Coding</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Code defined by a terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">(complex)</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0254010.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.system\">system</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Identity of the terminology system<br/><span style=\"font-weight: bold\">Fixed Value: </span><a style=\"color: darkgreen\" href=\"CodeSystem-covid19-underlying-condition-category-cs.html\">http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs</a></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0254000.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_fixed.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Fixed Value\" class=\"hierarchy\"/> <a href=\"http://hl7.org/fhir/R4/datatypes-definitions.html#Coding.code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">1..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/datatypes.html#code\">code</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Symbol in syntax defined by the system<br/><span style=\"font-weight: bold\">Fixed Value: </span><span style=\"color: darkgreen\">UNCCOND</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0255.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_slice_item.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Slice Item\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionReference\" title=\"Slice conditionReference\">extension:conditionReference</a><a name=\"Observation.component.extension\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"StructureDefinition-covid19-underlying-condition-reference.html\" title=\"Extension\">COVID19UnderlyingConditionReference</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">COVID-19 Underlying Condition Reference</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck02540.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vline_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_reference.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionReference.valueReference\">valueReference</a><a name=\"Observation.component.extension.valueReference\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">0..1</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"StructureDefinition-underlying-uncategorized-medical-condition.html\">COVID-19 uncategorized underlying condition</a>)</td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Value of extension</span></td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0250.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.code\">code</a><a name=\"Observation.component.code\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">1</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Type of component observation (code / type)</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-covid19-underlying-uncategorized-condition-value-set.html\">COVID-19 uncategorized underlying condition reference set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck0240.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_blank.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin_end_slice.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-covid19-underlying-condition-observation-definitions.html#Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.valueCodeableConcept\">valueCodeableConcept</a><a name=\"Observation.component.valueCodeableConcept\"> </a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">0</span><span style=\"opacity: 0.5\">..</span><span style=\"opacity: 0.5\">1</span></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#CodeableConcept\">CodeableConcept</a></td><td style=\"vertical-align: top; text-align : left; background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"opacity: 0.5\">Actual component result</span><br/><span style=\"font-weight:bold\">Binding: </span><a href=\"ValueSet-present-absent-unknown-vs.html\">Present, Absent, Unknown Value Set</a> (<a href=\"http://hl7.org/fhir/R4/terminologies.html#required\" title=\"To be conformant, the concept in this element SHALL be from the specified value set.\">required</a>)</td></tr>\r\n<tr><td colspan=\"5\" class=\"hierarchy\"><br/><a href=\"http://hl7.org/fhir/R4/formats.html#table\" title=\"Legend for this format\"><img src=\"http://hl7.org/fhir/R4/help16.png\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
  ];
  fhir:DomainResource.extension [
     fhir:index 0;
     fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-category" ];
     fhir:Extension.valueString [ fhir:value "Clinical.Diagnostics" ]
  ], [
     fhir:index 1;
     fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-security-category" ];
     fhir:Extension.valueCode [ fhir:value "patient" ]
  ];
  fhir:StructureDefinition.url [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-observation"];
  fhir:StructureDefinition.version [ fhir:value "0.14.0"];
  fhir:StructureDefinition.name [ fhir:value "COVID19UnderlyingConditionObservation"];
  fhir:StructureDefinition.title [ fhir:value "COVID-19 Underlying Medical Condition observation"];
  fhir:StructureDefinition.status [ fhir:value "active"];
  fhir:StructureDefinition.date [ fhir:value "2021-12-08T02:47:19+00:00"^^xsd:dateTime];
  fhir:StructureDefinition.publisher [ fhir:value "HL7 International - Clinical Information Modeling Initiative"];
  fhir:StructureDefinition.contact [
     fhir:index 0;
     fhir:ContactDetail.name [ fhir:value "HL7 International - Clinical Information Modeling Initiative" ];
     fhir:ContactDetail.telecom [
       fhir:index 0;
       fhir:ContactPoint.system [ fhir:value "url" ];
       fhir:ContactPoint.value [ fhir:value "http://hl7.org/Special/committees/cimi" ]     ]
  ], [
     fhir:index 1;
     fhir:ContactDetail.name [ fhir:value "Logica" ];
     fhir:ContactDetail.telecom [
       fhir:index 0;
       fhir:ContactPoint.system [ fhir:value "url" ];
       fhir:ContactPoint.value [ fhir:value "https://www.logicahealth.org/" ]     ]
  ], [
     fhir:index 2;
     fhir:ContactDetail.name [ fhir:value "HL7" ];
     fhir:ContactDetail.telecom [
       fhir:index 0;
       fhir:ContactPoint.system [ fhir:value "url" ];
       fhir:ContactPoint.value [ fhir:value "https://www.hl7.org" ]     ]
  ];
  fhir:StructureDefinition.description [ fhir:value "The structure for the observations of named underlying conditions of COVID 19."];
  fhir:StructureDefinition.jurisdiction [
     fhir:index 0;
     fhir:CodeableConcept.coding [
       fhir:index 0;
       fhir:Coding.system [ fhir:value "urn:iso:std:iso:3166" ];
       fhir:Coding.code [ fhir:value "US" ];
       fhir:Coding.display [ fhir:value "United States of America" ]     ]
  ];
  fhir:StructureDefinition.copyright [ fhir:value "HL7 International & Logica Health, all rights reserved Creative Commons License"];
  fhir:StructureDefinition.fhirVersion [ fhir:value "4.0.1"];
  fhir:StructureDefinition.mapping [
     fhir:index 0;
     fhir:StructureDefinition.mapping.identity [ fhir:value "workflow" ];
     fhir:StructureDefinition.mapping.uri [ fhir:value "http://hl7.org/fhir/workflow" ];
     fhir:StructureDefinition.mapping.name [ fhir:value "Workflow Pattern" ]
  ], [
     fhir:index 1;
     fhir:StructureDefinition.mapping.identity [ fhir:value "sct-concept" ];
     fhir:StructureDefinition.mapping.uri [ fhir:value "http://snomed.info/conceptdomain" ];
     fhir:StructureDefinition.mapping.name [ fhir:value "SNOMED CT Concept Domain Binding" ]
  ], [
     fhir:index 2;
     fhir:StructureDefinition.mapping.identity [ fhir:value "v2" ];
     fhir:StructureDefinition.mapping.uri [ fhir:value "http://hl7.org/v2" ];
     fhir:StructureDefinition.mapping.name [ fhir:value "HL7 v2 Mapping" ]
  ], [
     fhir:index 3;
     fhir:StructureDefinition.mapping.identity [ fhir:value "rim" ];
     fhir:StructureDefinition.mapping.uri [ fhir:value "http://hl7.org/v3" ];
     fhir:StructureDefinition.mapping.name [ fhir:value "RIM Mapping" ]
  ], [
     fhir:index 4;
     fhir:StructureDefinition.mapping.identity [ fhir:value "w5" ];
     fhir:StructureDefinition.mapping.uri [ fhir:value "http://hl7.org/fhir/fivews" ];
     fhir:StructureDefinition.mapping.name [ fhir:value "FiveWs Pattern Mapping" ]
  ], [
     fhir:index 5;
     fhir:StructureDefinition.mapping.identity [ fhir:value "sct-attr" ];
     fhir:StructureDefinition.mapping.uri [ fhir:value "http://snomed.org/attributebinding" ];
     fhir:StructureDefinition.mapping.name [ fhir:value "SNOMED CT Attribute Binding" ]
  ];
  fhir:StructureDefinition.kind [ fhir:value "resource"];
  fhir:StructureDefinition.abstract [ fhir:value "false"^^xsd:boolean];
  fhir:StructureDefinition.type [ fhir:value "Observation"];
  fhir:StructureDefinition.baseDefinition [
     fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-observation-parent";
     fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-observation-parent>
  ];
  fhir:StructureDefinition.derivation [ fhir:value "constraint"];
  fhir:StructureDefinition.snapshot [
     fhir:StructureDefinition.snapshot.element [
       fhir:index 0;
       fhir:Element.id [ fhir:value "Observation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation" ];
       fhir:ElementDefinition.short [ fhir:value "Measurements and simple assertions" ];
       fhir:ElementDefinition.definition [ fhir:value "Measurements and simple assertions made about a patient, device or other subject." ];
       fhir:ElementDefinition.comment [ fhir:value "Used for simple observations such as device measurements, laboratory atomic results, vital signs, height, weight, smoking status, comments, etc.  Other resources are used to provide context for observations such as laboratory reports, etc." ];
       fhir:ElementDefinition.alias [
         fhir:value "Vital Signs";
         fhir:index 0       ], [
         fhir:value "Measurement";
         fhir:index 1       ], [
         fhir:value "Results";
         fhir:index 2       ], [
         fhir:value "Tests";
         fhir:index 3       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "dom-2" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "If the resource is contained in another resource, it SHALL NOT contain nested Resources" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "contained.contained.empty()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "not(parent::f:contained and f:contained)" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/DomainResource";
           fhir:link <http://hl7.org/fhir/StructureDefinition/DomainResource>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "dom-3" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "If the resource is contained in another resource, it SHALL be referred to from elsewhere in the resource or SHALL refer to the containing resource" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "contained.where((('#'+id in (%resource.descendants().reference | %resource.descendants().as(canonical) | %resource.descendants().as(uri) | %resource.descendants().as(url))) or descendants().where(reference = '#').exists() or descendants().where(as(canonical) = '#').exists() or descendants().where(as(canonical) = '#').exists()).not()).trace('unmatched', id).empty()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "not(exists(for $id in f:contained/*/f:id/@value return $contained[not(parent::*/descendant::f:reference/@value=concat('#', $contained/*/id/@value) or descendant::f:reference[@value='#'])]))" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/DomainResource";
           fhir:link <http://hl7.org/fhir/StructureDefinition/DomainResource>         ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.constraint.key [ fhir:value "dom-4" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "If a resource is contained in another resource, it SHALL NOT have a meta.versionId or a meta.lastUpdated" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "contained.meta.versionId.empty() and contained.meta.lastUpdated.empty()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "not(exists(f:contained/*/f:meta/f:versionId)) and not(exists(f:contained/*/f:meta/f:lastUpdated))" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/DomainResource";
           fhir:link <http://hl7.org/fhir/StructureDefinition/DomainResource>         ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.constraint.key [ fhir:value "dom-5" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "If a resource is contained in another resource, it SHALL NOT have a security label" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "contained.meta.security.empty()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "not(exists(f:contained/*/f:meta/f:security))" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/DomainResource";
           fhir:link <http://hl7.org/fhir/StructureDefinition/DomainResource>         ]       ], [
         fhir:index 4;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice" ];
           fhir:Extension.valueBoolean [ fhir:value "true"^^xsd:boolean ]         ], [
           fhir:index 1;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bestpractice-explanation" ];
           fhir:Extension.valueMarkdown [ fhir:value "When a resource has no narrative, only systems that fully understand the data can display the resource to a human safely. Including a human readable representation in the resource makes for a much more robust eco-system and cheaper handling of resources by intermediary systems. Some ecosystems restrict distribution of resources to only those systems that do fully understand the resources, and as a consequence implementers may believe that the narrative is superfluous. However experience shows that such eco-systems often open up to new participants over time." ]         ];
         fhir:ElementDefinition.constraint.key [ fhir:value "dom-6" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "warning" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "A resource should have narrative for robust management" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "text.`div`.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:text/h:div)" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/DomainResource";
           fhir:link <http://hl7.org/fhir/StructureDefinition/DomainResource>         ]       ], [
         fhir:index 5;
         fhir:ElementDefinition.constraint.key [ fhir:value "obs-6" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "dataAbsentReason SHALL only be present if Observation.value[x] is not present" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "dataAbsentReason.empty() or value.empty()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "not(exists(f:dataAbsentReason)) or (not(exists(*[starts-with(local-name(.), 'value')])))" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Observation";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Observation>         ]       ], [
         fhir:index 6;
         fhir:ElementDefinition.constraint.key [ fhir:value "obs-7" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "If Observation.code is the same as an Observation.component.code then the value element associated with the code SHALL NOT be present" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "value.empty() or component.code.where(coding.intersect(%resource.code.coding).exists()).empty()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "not(f:*[starts-with(local-name(.), 'value')] and (for $coding in f:code/f:coding return f:component/f:code/f:coding[f:code/@value=$coding/f:code/@value] [f:system/@value=$coding/f:system/@value]))" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Observation";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Observation>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Entity. Role, or Act" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "workflow" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Event" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity|" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX" ]       ], [
         fhir:index 4;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Observation[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 1;
       fhir:Element.id [ fhir:value "Observation.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.id" ];
       fhir:ElementDefinition.short [ fhir:value "Logical id of this artifact" ];
       fhir:ElementDefinition.definition [ fhir:value "The logical id of the resource, as used in the URL for the resource. Once assigned, this value never changes." ];
       fhir:ElementDefinition.comment [ fhir:value "The only time that a resource does not have an id is when it is being submitted to the server using a create operation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Resource.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ]     ], [
       fhir:index 2;
       fhir:Element.id [ fhir:value "Observation.meta" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.meta" ];
       fhir:ElementDefinition.short [ fhir:value "Metadata about the resource" ];
       fhir:ElementDefinition.definition [ fhir:value "The metadata about the resource. This is content that is maintained by the infrastructure. Changes to the content might not always be associated with version changes to the resource." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Resource.meta" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Meta" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ]     ], [
       fhir:index 3;
       fhir:Element.id [ fhir:value "Observation.implicitRules" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.implicitRules" ];
       fhir:ElementDefinition.short [ fhir:value "A set of rules under which this content was created" ];
       fhir:ElementDefinition.definition [ fhir:value "A reference to a set of rules that were followed when the resource was constructed, and which must be understood when processing the content. Often, this is a reference to an implementation guide that defines the special rules along with other profiles etc." ];
       fhir:ElementDefinition.comment [ fhir:value "Asserting this rule set restricts the content to be only understood by a limited set of trading partners. This inherently limits the usefulness of the data in the long term. However, the existing health eco-system is highly fractured, and not yet ready to define, collect, and exchange data in a generally computable sense. Wherever possible, implementers and/or specification writers should avoid using this element. Often, when used, the URL is a reference to an implementation guide that defines these special rules as part of it's narrative along with other profiles, value sets, etc." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Resource.implicitRules" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "uri" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "This element is labeled as a modifier because the implicit rules may provide additional knowledge about the resource that modifies it's meaning or interpretation" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ]     ], [
       fhir:index 4;
       fhir:Element.id [ fhir:value "Observation.language" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.language" ];
       fhir:ElementDefinition.short [ fhir:value "Language of the resource content" ];
       fhir:ElementDefinition.definition [ fhir:value "The base language in which the resource is written." ];
       fhir:ElementDefinition.comment [ fhir:value "Language is provided to support indexing and accessibility (typically, services such as text to speech use the language tag). The html language tag in the narrative applies  to the narrative. The language tag on the resource may be used to specify the language of other presentations generated from the data in the resource. Not all the content has to be in the base language. The Resource.language should not be assumed to apply to the narrative automatically. If a language is specified, it should it also be specified on the div element in the html (see rules in HTML5 for information about the relationship between xml:lang and the html lang attribute)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Resource.language" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "code" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-maxValueSet" ];
           fhir:Extension.valueCanonical [
             fhir:value "http://hl7.org/fhir/ValueSet/all-languages";
             fhir:link <http://hl7.org/fhir/ValueSet/all-languages>           ]         ], [
           fhir:index 1;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "Language" ]         ], [
           fhir:index 2;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-isCommonBinding" ];
           fhir:Extension.valueBoolean [ fhir:value "true"^^xsd:boolean ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "preferred" ];
         fhir:ElementDefinition.binding.description [ fhir:value "A human language." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/languages";
           fhir:link <http://hl7.org/fhir/ValueSet/languages>         ]       ]     ], [
       fhir:index 5;
       fhir:Element.id [ fhir:value "Observation.text" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.text" ];
       fhir:ElementDefinition.short [ fhir:value "Text summary of the resource, for human interpretation" ];
       fhir:ElementDefinition.definition [ fhir:value "A human-readable narrative that contains a summary of the resource and can be used to represent the content of the resource to a human. The narrative need not encode all the structured data, but is required to contain sufficient detail to make it \"clinically safe\" for a human to just read the narrative. Resource definitions may define what content should be represented in the narrative to ensure clinical safety." ];
       fhir:ElementDefinition.comment [ fhir:value "Contained resources do not have narrative. Resources that are not contained SHOULD have a narrative. In some cases, a resource may only have text with little or no additional discrete data (as long as all minOccurs=1 elements are satisfied).  This may be necessary for data from legacy systems where information is captured as a \"text blob\" or where text is additionally entered raw or narrated and encoded information is added later." ];
       fhir:ElementDefinition.alias [
         fhir:value "narrative";
         fhir:index 0       ], [
         fhir:value "html";
         fhir:index 1       ], [
         fhir:value "xhtml";
         fhir:index 2       ], [
         fhir:value "display";
         fhir:index 3       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "DomainResource.text" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Narrative" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Act.text?" ]       ]     ], [
       fhir:index 6;
       fhir:Element.id [ fhir:value "Observation.contained" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.contained" ];
       fhir:ElementDefinition.short [ fhir:value "Contained, inline Resources" ];
       fhir:ElementDefinition.definition [ fhir:value "These resources do not have an independent existence apart from the resource that contains them - they cannot be identified independently, and nor can they have their own independent transaction scope." ];
       fhir:ElementDefinition.comment [ fhir:value "This should never be done when the content can be identified properly, as once identification is lost, it is extremely difficult (and context dependent) to restore it again. Contained resources may have profiles and tags In their meta elements, but SHALL NOT have security labels." ];
       fhir:ElementDefinition.alias [
         fhir:value "inline resources";
         fhir:index 0       ], [
         fhir:value "anonymous resources";
         fhir:index 1       ], [
         fhir:value "contained resources";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "DomainResource.contained" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Resource" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 7;
       fhir:Element.id [ fhir:value "Observation.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.extension" ];
       fhir:ElementDefinition.short [ fhir:value "Additional content defined by implementations" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the resource. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "DomainResource.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 8;
       fhir:Element.id [ fhir:value "Observation.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the resource and that modifies the understanding of the element that contains it and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer is allowed to define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "DomainResource.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the resource that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 9;
       fhir:Element.id [ fhir:value "Observation.identifier" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.identifier" ];
       fhir:ElementDefinition.short [ fhir:value "Business Identifier for observation" ];
       fhir:ElementDefinition.definition [ fhir:value "A unique identifier assigned to this observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Allows observations to be distinguished and referenced." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.identifier" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Identifier" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "workflow" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Event.identifier" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.identifier" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.21  For OBX segments from systems without OBX-21 support a combination of ORC/OBR and OBX must be negotiated between trading partners to uniquely identify the OBX segment. Depending on how V2 has been implemented each of these may be an option: 1) OBR-3 + OBX-3 + OBX-4 or 2) OBR-3 + OBR-4 + OBX-3 + OBX-4 or 2) some other way to uniquely ID the OBR/ORC + OBX-3 + OBX-4." ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "id" ]       ]     ], [
       fhir:index 10;
       fhir:Element.id [ fhir:value "Observation.basedOn" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.basedOn" ];
       fhir:ElementDefinition.short [ fhir:value "Fulfills plan, proposal or order" ];
       fhir:ElementDefinition.definition [ fhir:value "A plan, proposal or order that is fulfilled in whole or in part by this event.  For example, a MedicationRequest may require a patient to have laboratory test performed before  it is dispensed." ];
       fhir:ElementDefinition.requirements [ fhir:value "Allows tracing of authorization for the event and tracking whether proposals/recommendations were acted upon." ];
       fhir:ElementDefinition.alias [
         fhir:value "Fulfills";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.basedOn" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/StructureDefinition/CarePlan";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/StructureDefinition/CarePlan>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/DeviceRequest";
           fhir:index 1;
           fhir:link <http://hl7.org/fhir/StructureDefinition/DeviceRequest>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation";
           fhir:index 2;
           fhir:link <http://hl7.org/fhir/StructureDefinition/ImmunizationRecommendation>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/MedicationRequest";
           fhir:index 3;
           fhir:link <http://hl7.org/fhir/StructureDefinition/MedicationRequest>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/NutritionOrder";
           fhir:index 4;
           fhir:link <http://hl7.org/fhir/StructureDefinition/NutritionOrder>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/ServiceRequest";
           fhir:index 5;
           fhir:link <http://hl7.org/fhir/StructureDefinition/ServiceRequest>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "workflow" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Event.basedOn" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "ORC" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value ".inboundRelationship[typeCode=COMP].source[moodCode=EVN]" ]       ]     ], [
       fhir:index 11;
       fhir:Element.id [ fhir:value "Observation.partOf" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.partOf" ];
       fhir:ElementDefinition.short [ fhir:value "Part of referenced event" ];
       fhir:ElementDefinition.definition [ fhir:value "A larger event of which this particular Observation is a component or step.  For example,  an observation as part of a procedure." ];
       fhir:ElementDefinition.comment [ fhir:value "To link an Observation to an Encounter use `encounter`.  See the  [Notes](http://hl7.org/fhir/R4/observation.html#obsgrouping) below for guidance on referencing another Observation." ];
       fhir:ElementDefinition.alias [
         fhir:value "Container";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.partOf" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/StructureDefinition/MedicationAdministration";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/StructureDefinition/MedicationAdministration>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/MedicationDispense";
           fhir:index 1;
           fhir:link <http://hl7.org/fhir/StructureDefinition/MedicationDispense>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/MedicationStatement";
           fhir:index 2;
           fhir:link <http://hl7.org/fhir/StructureDefinition/MedicationStatement>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Procedure";
           fhir:index 3;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Procedure>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Immunization";
           fhir:index 4;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Immunization>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/ImagingStudy";
           fhir:index 5;
           fhir:link <http://hl7.org/fhir/StructureDefinition/ImagingStudy>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "workflow" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Event.partOf" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Varies by domain" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value ".outboundRelationship[typeCode=FLFS].target" ]       ]     ], [
       fhir:index 12;
       fhir:Element.id [ fhir:value "Observation.status" ];
       fhir:Element.extension [
         fhir:index 0;
         fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-display-hint" ];
         fhir:Extension.valueString [ fhir:value "default: final" ]       ];
       fhir:ElementDefinition.path [ fhir:value "Observation.status" ];
       fhir:ElementDefinition.short [ fhir:value "registered | preliminary | final | amended +" ];
       fhir:ElementDefinition.definition [ fhir:value "The status of the result value." ];
       fhir:ElementDefinition.comment [ fhir:value "This element is labeled as a modifier because the status contains codes that mark the resource as not currently valid." ];
       fhir:ElementDefinition.requirements [ fhir:value "Need to track the status of individual results. Some results are finalized before the whole report is finalized." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.status" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "code" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "This element is labeled as a modifier because it is a status element that contains status entered-in-error which means that the resource should not be treated as valid" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationStatus" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes providing the status of an observation." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-status|4.0.1";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-status|4.0.1>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "workflow" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Event.status" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.status" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 445584004 |Report by finality status|" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-11" ]       ], [
         fhir:index 4;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "status  Amended & Final are differentiated by whether it is the subject of a ControlAct event with a type of \"revise\"" ]       ]     ], [
       fhir:index 13;
       fhir:Element.id [ fhir:value "Observation.category" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.category" ];
       fhir:ElementDefinition.short [ fhir:value "Classification of  type of observation" ];
       fhir:ElementDefinition.definition [ fhir:value "A code that classifies the general type of observation being made." ];
       fhir:ElementDefinition.comment [ fhir:value "In addition to the required category valueset, this element allows various categorization schemes based on the owner’s definition of the category and effectively multiple categories can be used at once.  The level of granularity is defined by the category concepts in the value set." ];
       fhir:ElementDefinition.requirements [ fhir:value "Used for filtering what observations are retrieved and displayed." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.category" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationCategory" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "preferred" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes for high level observation categories." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-category";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-category>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.class" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value ".outboundRelationship[typeCode=\"COMP].target[classCode=\"LIST\", moodCode=\"EVN\"].code" ]       ]     ], [
       fhir:index 14;
       fhir:Element.id [ fhir:value "Observation.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"name\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and, if present, component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.alias [
         fhir:value "Name";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationCode" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "example" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying names of simple observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-codes";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-codes>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "workflow" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Event.code" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR < 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 4;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ], [
         fhir:index 5;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "116680003 |Is a|" ]       ]     ], [
       fhir:index 15;
       fhir:Element.id [ fhir:value "Observation.subject" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.subject" ];
       fhir:ElementDefinition.short [ fhir:value "Who and/or what the observation is about" ];
       fhir:ElementDefinition.definition [ fhir:value "The patient, or group of patients, location, or device this observation is about and into whose record the observation is placed. If the actual focus of the observation is different from the subject (or a sample of, part, or region of the subject), the `focus` element or the `code` itself specifies the actual focus of the observation." ];
       fhir:ElementDefinition.comment [ fhir:value "One would expect this element to be a cardinality of 1..1. The only circumstance in which the subject can be missing is when the observation is made by a device that does not know the patient. In this case, the observation SHALL be matched to a patient through some context/channel matching technique, and at this point, the observation should be updated." ];
       fhir:ElementDefinition.requirements [ fhir:value "Observations have no value if you don't know who or what they're about." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.subject" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Patient";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Patient>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Group";
           fhir:index 1;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Group>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Device";
           fhir:index 2;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Device>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Location";
           fhir:index 3;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Location>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "workflow" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Event.subject" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.subject[x]" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "PID-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "participation[typeCode=RTGT]" ]       ], [
         fhir:index 4;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.subject" ]       ]     ], [
       fhir:index 16;
       fhir:Element.id [ fhir:value "Observation.focus" ];
       fhir:Element.extension [
         fhir:index 0;
         fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status" ];
         fhir:Extension.valueCode [ fhir:value "trial-use" ]       ];
       fhir:ElementDefinition.path [ fhir:value "Observation.focus" ];
       fhir:ElementDefinition.short [ fhir:value "What the observation is about, when it is not about the subject of record" ];
       fhir:ElementDefinition.definition [ fhir:value "The actual focus of an observation when it is not the patient of record representing something or someone associated with the patient such as a spouse, parent, fetus, or donor. For example, fetus observations in a mother's record.  The focus of an observation could also be an existing condition,  an intervention, the subject's diet,  another observation of the subject,  or a body structure such as tumor or implanted device.   An example use case would be using the Observation resource to capture whether the mother is trained to change her child's tracheostomy tube. In this example, the child is the patient of record and the mother is the focus." ];
       fhir:ElementDefinition.comment [ fhir:value "Typically, an observation is made about the subject - a patient, or group of patients, location, or device - and the distinction between the subject and what is directly measured for an observation is specified in the observation code itself ( e.g., \"Blood Glucose\") and does not need to be represented separately using this element.  Use `specimen` if a reference to a specimen is required.  If a code is required instead of a resource use either  `bodysite` for bodysites or the standard extension [focusCode](http://hl7.org/fhir/R4/extension-observation-focuscode.html)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.focus" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Resource";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Resource>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.subject[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "participation[typeCode=SBJ]" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.subject" ]       ]     ], [
       fhir:index 17;
       fhir:Element.id [ fhir:value "Observation.encounter" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.encounter" ];
       fhir:ElementDefinition.short [ fhir:value "Healthcare event during which this observation is made" ];
       fhir:ElementDefinition.definition [ fhir:value "The healthcare event  (e.g. a patient and healthcare provider interaction) during which this observation is made." ];
       fhir:ElementDefinition.comment [ fhir:value "This will typically be the encounter the event occurred within, but some events may be initiated prior to or after the official completion of an encounter but still be tied to the context of the encounter (e.g. pre-admission laboratory tests)." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some observations it may be important to know the link between an observation and a particular encounter." ];
       fhir:ElementDefinition.alias [
         fhir:value "Context";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.encounter" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Encounter";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Encounter>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "workflow" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Event.context" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.context" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "PV1" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "inboundRelationship[typeCode=COMP].source[classCode=ENC, moodCode=EVN]" ]       ]     ], [
       fhir:index 18;
       fhir:Element.id [ fhir:value "Observation.effective[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.effective[x]" ];
       fhir:ElementDefinition.short [ fhir:value "Clinically relevant time/time-period for observation" ];
       fhir:ElementDefinition.definition [ fhir:value "The time or time-period the observed value is asserted as being true. For biological subjects - e.g. human patients - this is usually called the \"physiologically relevant time\". This is usually either the time of the procedure or of specimen collection, but very often the source of the date/time is not known, only the date/time itself." ];
       fhir:ElementDefinition.comment [ fhir:value "At least a date should be present unless this observation is a historical report.  For recording imprecise or \"fuzzy\" times (For example, a blood glucose measurement taken \"after breakfast\") use the [Timing](http://hl7.org/fhir/R4/datatypes.html#timing) datatype which allow the measurement to be tied to regular life events." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing when an observation was deemed true is important to its relevance as well as determining trends." ];
       fhir:ElementDefinition.alias [
         fhir:value "Occurrence";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.effective[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "dateTime" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.type.code [ fhir:value "Period" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.type.code [ fhir:value "Timing" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.type.code [ fhir:value "instant" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "workflow" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Event.occurrence[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.done[x]" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-14, and/or OBX-19 after v2.4  (depends on who observation made)" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "effectiveTime" ]       ]     ], [
       fhir:index 19;
       fhir:Element.id [ fhir:value "Observation.issued" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.issued" ];
       fhir:ElementDefinition.short [ fhir:value "Date/Time this version was made available" ];
       fhir:ElementDefinition.definition [ fhir:value "The date and time this version of the observation was made available to providers, typically after the results have been reviewed and verified." ];
       fhir:ElementDefinition.comment [ fhir:value "For Observations that don’t require review and verification, it may be the same as the [`lastUpdated` ](http://hl7.org/fhir/R4/resource-definitions.html#Meta.lastUpdated) time of the resource itself.  For Observations that do require review and verification for certain updates, it might not be the same as the `lastUpdated` time of the resource itself due to a non-clinically significant update that doesn’t require the new version to be reviewed and verified again." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.issued" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "instant" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.recorded" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBR.22 (or MSH.7), or perhaps OBX-19 (depends on who observation made)" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "participation[typeCode=AUT].time" ]       ]     ], [
       fhir:index 20;
       fhir:Element.id [ fhir:value "Observation.performer" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.performer" ];
       fhir:ElementDefinition.short [ fhir:value "Who is responsible for the observation" ];
       fhir:ElementDefinition.definition [ fhir:value "Who was responsible for asserting the observed value as \"true\"." ];
       fhir:ElementDefinition.requirements [ fhir:value "May give a degree of confidence in the observation and also indicates where follow-up questions should be directed." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.performer" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Practitioner";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Practitioner>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/PractitionerRole";
           fhir:index 1;
           fhir:link <http://hl7.org/fhir/StructureDefinition/PractitionerRole>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Organization";
           fhir:index 2;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Organization>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/CareTeam";
           fhir:index 3;
           fhir:link <http://hl7.org/fhir/StructureDefinition/CareTeam>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Patient";
           fhir:index 4;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Patient>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/RelatedPerson";
           fhir:index 5;
           fhir:link <http://hl7.org/fhir/StructureDefinition/RelatedPerson>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "workflow" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Event.performer.actor" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.actor" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.15 / (Practitioner)  OBX-16,  PRT-5:PRT-4='RO' /  (Device)  OBX-18 , PRT-10:PRT-4='EQUIP' / (Organization)  OBX-23,  PRT-8:PRT-4='PO'" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "participation[typeCode=PRF]" ]       ]     ], [
       fhir:index 21;
       fhir:Element.id [ fhir:value "Observation.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.value[x]" ];
       fhir:ElementDefinition.short [ fhir:value "Actual result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "An observation may have; 1)  a single value here, 2)  both a value and a set of related or component values,  or 3)  only a set of related or component values. If a value is present, the datatype for this element should be determined by Observation.code.  A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Quantity" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.type.code [ fhir:value "string" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.type.code [ fhir:value "boolean" ]       ], [
         fhir:index 4;
         fhir:ElementDefinition.type.code [ fhir:value "integer" ]       ], [
         fhir:index 5;
         fhir:ElementDefinition.type.code [ fhir:value "Range" ]       ], [
         fhir:index 6;
         fhir:ElementDefinition.type.code [ fhir:value "Ratio" ]       ], [
         fhir:index 7;
         fhir:ElementDefinition.type.code [ fhir:value "SampledData" ]       ], [
         fhir:index 8;
         fhir:ElementDefinition.type.code [ fhir:value "time" ]       ], [
         fhir:index 9;
         fhir:ElementDefinition.type.code [ fhir:value "dateTime" ]       ], [
         fhir:index 10;
         fhir:ElementDefinition.type.code [ fhir:value "Period" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-7";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 22;
       fhir:Element.id [ fhir:value "Observation.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "Null or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"specimen unsatisfactory\".   \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed. Note that an observation may only be reported if there are values to report. For example differential cell counts values may be reported only when > 0.  Because of these options, use-case agreements are required to interpret general observations for null or exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 23;
       fhir:Element.id [ fhir:value "Observation.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 24;
       fhir:Element.id [ fhir:value "Observation.note" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.note" ];
       fhir:ElementDefinition.short [ fhir:value "Comments about the observation" ];
       fhir:ElementDefinition.definition [ fhir:value "Comments about the observation or the results." ];
       fhir:ElementDefinition.comment [ fhir:value "May include general statements about the observation, or statements about significant, unexpected or unreliable results values, or information about its source when relevant to its interpretation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Need to be able to provide free text additional information." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.note" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Annotation" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "NTE.3 (partner NTE to OBX, or sometimes another (child?) OBX)" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "subjectOf.observationEvent[code=\"annotation\"].value" ]       ]     ], [
       fhir:index 25;
       fhir:Element.id [ fhir:value "Observation.bodySite" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.bodySite" ];
       fhir:ElementDefinition.short [ fhir:value "Observed body part" ];
       fhir:ElementDefinition.definition [ fhir:value "Indicates the site on the subject's body where the observation was made (i.e. the target site)." ];
       fhir:ElementDefinition.comment [ fhir:value "Only used if not implicit in code found in Observation.code.  In many systems, this may be represented as a related observation instead of an inline component.   \n\nIf the use case requires BodySite to be handled as a separate resource (e.g. to identify and track separately) then use the standard extension[ bodySite](http://hl7.org/fhir/R4/extension-bodysite.html)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.bodySite" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "BodySite" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "example" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes describing anatomical locations. May include laterality." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/body-site";
           fhir:link <http://hl7.org/fhir/ValueSet/body-site>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 123037004 |Body structure|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-20" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "targetSiteCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "718497002 |Inherent location|" ]       ]     ], [
       fhir:index 26;
       fhir:Element.id [ fhir:value "Observation.method" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.method" ];
       fhir:ElementDefinition.short [ fhir:value "How it was done" ];
       fhir:ElementDefinition.definition [ fhir:value "Indicates the mechanism used to perform the observation." ];
       fhir:ElementDefinition.comment [ fhir:value "Only used if not implicit in code for Observation.code." ];
       fhir:ElementDefinition.requirements [ fhir:value "In some cases, method can impact results and is thus used for determining whether results can be compared or determining significance of results." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.method" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationMethod" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "example" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Methods for simple observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-methods";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-methods>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-17" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "methodCode" ]       ]     ], [
       fhir:index 27;
       fhir:Element.id [ fhir:value "Observation.specimen" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.specimen" ];
       fhir:ElementDefinition.short [ fhir:value "Specimen used for this observation" ];
       fhir:ElementDefinition.definition [ fhir:value "The specimen that was used when this observation was made." ];
       fhir:ElementDefinition.comment [ fhir:value "Should only be used if not implicit in code found in `Observation.code`.  Observations are not made on specimens themselves; they are made on a subject, but in many cases by the means of a specimen. Note that although specimens are often involved, they are not always tracked and reported explicitly. Also note that observation resources may be used in contexts that track the specimen explicitly (e.g. Diagnostic Report)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.specimen" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Specimen";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Specimen>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 123038009 |Specimen|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "SPM segment" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "participation[typeCode=SPC].specimen" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "704319004 |Inherent in|" ]       ]     ], [
       fhir:index 28;
       fhir:Element.id [ fhir:value "Observation.device" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.device" ];
       fhir:ElementDefinition.short [ fhir:value "(Measurement) Device" ];
       fhir:ElementDefinition.definition [ fhir:value "The device used to generate the observation data." ];
       fhir:ElementDefinition.comment [ fhir:value "Note that this is not meant to represent a device involved in the transmission of the result, e.g., a gateway.  Such devices may be documented using the Provenance resource where relevant." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.device" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Device";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Device>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/DeviceMetric";
           fhir:index 1;
           fhir:link <http://hl7.org/fhir/StructureDefinition/DeviceMetric>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 49062001 |Device|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-17 / PRT -10" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "participation[typeCode=DEV]" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "424226004 |Using device|" ]       ]     ], [
       fhir:index 29;
       fhir:Element.id [ fhir:value "Observation.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range.  Multiple reference ranges are interpreted as an \"OR\".   In other words, to represent two distinct target populations, two `referenceRange` elements would be used." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "obs-3" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have at least a low or a high or text" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "low.exists() or high.exists() or text.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "(exists(f:low) or exists(f:high)or exists(f:text))" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 30;
       fhir:Element.id [ fhir:value "Observation.referenceRange.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.referenceRange.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 31;
       fhir:Element.id [ fhir:value "Observation.referenceRange.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.referenceRange.extension" ];
       fhir:ElementDefinition.short [ fhir:value "Additional content defined by implementations" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 32;
       fhir:Element.id [ fhir:value "Observation.referenceRange.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.referenceRange.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 33;
       fhir:Element.id [ fhir:value "Observation.referenceRange.low" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.referenceRange.low" ];
       fhir:ElementDefinition.short [ fhir:value "Low Range, if relevant" ];
       fhir:ElementDefinition.definition [ fhir:value "The value of the low bound of the reference range.  The low bound of the reference range endpoint is inclusive of the value (e.g.  reference range is >=5 - <=9). If the low bound is omitted,  it is assumed to be meaningless (e.g. reference range is <=2.3)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.referenceRange.low" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Quantity" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/StructureDefinition/SimpleQuantity";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/StructureDefinition/SimpleQuantity>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-3";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value:IVL_PQ.low" ]       ]     ], [
       fhir:index 34;
       fhir:Element.id [ fhir:value "Observation.referenceRange.high" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.referenceRange.high" ];
       fhir:ElementDefinition.short [ fhir:value "High Range, if relevant" ];
       fhir:ElementDefinition.definition [ fhir:value "The value of the high bound of the reference range.  The high bound of the reference range endpoint is inclusive of the value (e.g.  reference range is >=5 - <=9). If the high bound is omitted,  it is assumed to be meaningless (e.g. reference range is >= 2.3)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.referenceRange.high" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Quantity" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/StructureDefinition/SimpleQuantity";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/StructureDefinition/SimpleQuantity>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-3";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value:IVL_PQ.high" ]       ]     ], [
       fhir:index 35;
       fhir:Element.id [ fhir:value "Observation.referenceRange.type" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.referenceRange.type" ];
       fhir:ElementDefinition.short [ fhir:value "Reference range qualifier" ];
       fhir:ElementDefinition.definition [ fhir:value "Codes to indicate the what part of the targeted reference population it applies to. For example, the normal or therapeutic range." ];
       fhir:ElementDefinition.comment [ fhir:value "This SHOULD be populated if there is more than one range.  If this element is not present then the normal range is assumed." ];
       fhir:ElementDefinition.requirements [ fhir:value "Need to be able to say what kind of reference range this is - normal, recommended, therapeutic, etc.,  - for proper interpretation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.referenceRange.type" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationRangeMeaning" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "preferred" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Code for the meaning of a reference range." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/referencerange-meaning";
           fhir:link <http://hl7.org/fhir/ValueSet/referencerange-meaning>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values| OR  \r< 365860008 |General clinical state finding| \rOR \r< 250171008 |Clinical history or observation findings| OR  \r< 415229000 |Racial group| OR \r< 365400002 |Finding of puberty stage| OR\r< 443938003 |Procedure carried out on subject|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-10" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ]     ], [
       fhir:index 36;
       fhir:Element.id [ fhir:value "Observation.referenceRange.appliesTo" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.referenceRange.appliesTo" ];
       fhir:ElementDefinition.short [ fhir:value "Reference range population" ];
       fhir:ElementDefinition.definition [ fhir:value "Codes to indicate the target population this reference range applies to.  For example, a reference range may be based on the normal population or a particular sex or race.  Multiple `appliesTo`  are interpreted as an \"AND\" of the target populations.  For example, to represent a target population of African American females, both a code of female and a code for African American would be used." ];
       fhir:ElementDefinition.comment [ fhir:value "This SHOULD be populated if there is more than one range.  If this element is not present then the normal population is assumed." ];
       fhir:ElementDefinition.requirements [ fhir:value "Need to be able to identify the target population for proper interpretation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.referenceRange.appliesTo" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationRangeType" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "example" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying the population the reference range applies to." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/referencerange-appliesto";
           fhir:link <http://hl7.org/fhir/ValueSet/referencerange-appliesto>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values| OR  \r< 365860008 |General clinical state finding| \rOR \r< 250171008 |Clinical history or observation findings| OR  \r< 415229000 |Racial group| OR \r< 365400002 |Finding of puberty stage| OR\r< 443938003 |Procedure carried out on subject|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-10" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ]     ], [
       fhir:index 37;
       fhir:Element.id [ fhir:value "Observation.referenceRange.age" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.referenceRange.age" ];
       fhir:ElementDefinition.short [ fhir:value "Applicable age range, if relevant" ];
       fhir:ElementDefinition.definition [ fhir:value "The age at which this reference range is applicable. This is a neonatal age (e.g. number of weeks at term) if the meaning says so." ];
       fhir:ElementDefinition.requirements [ fhir:value "Some analytes vary greatly over age." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.referenceRange.age" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Range" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=PRCN].targetObservationCriterion[code=\"age\"].value" ]       ]     ], [
       fhir:index 38;
       fhir:Element.id [ fhir:value "Observation.referenceRange.text" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.referenceRange.text" ];
       fhir:ElementDefinition.short [ fhir:value "Text based reference range in an observation" ];
       fhir:ElementDefinition.definition [ fhir:value "Text based reference range in an observation which may be used when a quantitative range is not appropriate for an observation.  An example would be a reference value of \"Negative\" or a list or table of \"normals\"." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.referenceRange.text" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "string" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value:ST" ]       ]     ], [
       fhir:index 39;
       fhir:Element.id [ fhir:value "Observation.hasMember" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.hasMember" ];
       fhir:ElementDefinition.short [ fhir:value "Related resource that belongs to the Observation group" ];
       fhir:ElementDefinition.definition [ fhir:value "This observation is a group observation (e.g. a battery, a panel of tests, a set of vital sign measurements) that includes the target as a member of the group." ];
       fhir:ElementDefinition.comment [ fhir:value "When using this element, an observation will typically have either a value or a set of related resources, although both may be present in some cases.  For a discussion on the ways Observations can assembled in groups together, see [Notes](http://hl7.org/fhir/R4/observation.html#obsgrouping) below.  Note that a system may calculate results from [QuestionnaireResponse](http://hl7.org/fhir/R4/questionnaireresponse.html)  into a final score and represent the score as an Observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.hasMember" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Observation";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Observation>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse";
           fhir:index 1;
           fhir:link <http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/MolecularSequence";
           fhir:index 2;
           fhir:link <http://hl7.org/fhir/StructureDefinition/MolecularSequence>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Relationships established by OBX-4 usage" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship" ]       ]     ], [
       fhir:index 40;
       fhir:Element.id [ fhir:value "Observation.derivedFrom" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.derivedFrom" ];
       fhir:ElementDefinition.short [ fhir:value "Related measurements the observation is made from" ];
       fhir:ElementDefinition.definition [ fhir:value "The target resource that represents a measurement from which this observation value is derived. For example, a calculated anion gap or a fetal measurement based on an ultrasound image." ];
       fhir:ElementDefinition.comment [ fhir:value "All the reference choices that are listed in this element can represent clinical observations and other measurements that may be the source for a derived value.  The most common reference will be another Observation.  For a discussion on the ways Observations can assembled in groups together, see [Notes](http://hl7.org/fhir/R4/observation.html#obsgrouping) below." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.derivedFrom" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/StructureDefinition/DocumentReference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/StructureDefinition/DocumentReference>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/ImagingStudy";
           fhir:index 1;
           fhir:link <http://hl7.org/fhir/StructureDefinition/ImagingStudy>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Media";
           fhir:index 2;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Media>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse";
           fhir:index 3;
           fhir:link <http://hl7.org/fhir/StructureDefinition/QuestionnaireResponse>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Observation";
           fhir:index 4;
           fhir:link <http://hl7.org/fhir/StructureDefinition/Observation>         ], [
           fhir:value "http://hl7.org/fhir/StructureDefinition/MolecularSequence";
           fhir:index 5;
           fhir:link <http://hl7.org/fhir/StructureDefinition/MolecularSequence>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "Relationships established by OBX-4 usage" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value ".targetObservation" ]       ]     ], [
       fhir:index 41;
       fhir:Element.id [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "pattern" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "code" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Slice based on the component.code pattern" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Component results" ];
       fhir:ElementDefinition.definition [ fhir:value "Some observations have multiple component observations.  These component observations are expressed as separate code value pairs that share the same attributes.  Examples include systolic and diastolic component observations for blood pressure measurement and multiple component observations for genetics observations." ];
       fhir:ElementDefinition.comment [ fhir:value "For a discussion on the ways Observations can be assembled in groups together see [Notes](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable).   However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "containment by OBX-4?" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship[typeCode=COMP]" ]       ]     ], [
       fhir:index 42;
       fhir:Element.id [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 43;
       fhir:Element.id [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 44;
       fhir:Element.id [ fhir:value "Observation.component.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Code" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the identifier for an underlying condition to COVID0-19." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 45;
       fhir:Element.id [ fhir:value "Observation.component.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Reference" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the referred-to condition resource for the underlying condition to COVID-19" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 46;
       fhir:Element.id [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 47;
       fhir:Element.id [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of component observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"code\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and  component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationCode" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "example" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying names of simple observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-codes";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-codes>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR \r< 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ]     ], [
       fhir:index 48;
       fhir:Element.id [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 49;
       fhir:Element.id [ fhir:value "Observation.component.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 50;
       fhir:Element.id [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the component result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.component.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "\"Null\" or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"test not done\". \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed.  Because of these options, use-case agreements are required to interpret general observations for exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 51;
       fhir:Element.id [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 52;
       fhir:Element.id [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation of component result" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.contentReference [ fhir:value "http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 53;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19UnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Medical Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.comment [ fhir:value "For a discussion on the ways Observations can be assembled in groups together see [Notes](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable).   However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "containment by OBX-4?" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship[typeCode=COMP]" ]       ]     ], [
       fhir:index 54;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 55;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 56;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Code" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the identifier for an underlying condition to COVID0-19." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 57;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionCategoryCode.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 58;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionCategoryCode.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 59;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionCategoryCode.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 60;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 61;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "MEDCOND" ]         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 62;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Reference" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the referred-to condition resource for the underlying condition to COVID-19" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 63;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionReference.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 64;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionReference.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 65;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionReference.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 66;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionReference.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 67;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionReference.value[x]:valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueReference" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/COVID-19-underlying-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/COVID-19-underlying-medical-condition>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 68;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 69;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of component observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"code\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and  component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-medical-condition-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-medical-condition-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR \r< 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ]     ], [
       fhir:index 70;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 71;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 72;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the component result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.component.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "\"Null\" or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"test not done\". \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed.  Because of these options, use-case agreements are required to interpret general observations for exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 73;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 74;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation of component result" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.contentReference [ fhir:value "http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 75;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19UnderlyingCardiovascularMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Cardiovascular Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.comment [ fhir:value "For a discussion on the ways Observations can be assembled in groups together see [Notes](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable).   However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "containment by OBX-4?" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship[typeCode=COMP]" ]       ]     ], [
       fhir:index 76;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 77;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 78;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Code" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the identifier for an underlying condition to COVID0-19." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 79;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionCategoryCode.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 80;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionCategoryCode.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 81;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionCategoryCode.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 82;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionCategoryCode.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 83;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionCategoryCode.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "CARCOND" ]         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 84;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Reference" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the referred-to condition resource for the underlying condition to COVID-19" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 85;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionReference.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 86;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionReference.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 87;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionReference.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 88;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionReference.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 89;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionReference.value[x]:valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueReference" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-cardiovascular-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-cardiovascular-medical-condition>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 90;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 91;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of component observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"code\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and  component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-cardiovascular-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-cardiovascular-condition-value-set>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR \r< 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ]     ], [
       fhir:index 92;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 93;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 94;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the component result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.component.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "\"Null\" or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"test not done\". \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed.  Because of these options, use-case agreements are required to interpret general observations for exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 95;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 96;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation of component result" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.contentReference [ fhir:value "http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 97;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19UnderlyingNeuroligicMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Neurologic Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.comment [ fhir:value "For a discussion on the ways Observations can be assembled in groups together see [Notes](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable).   However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "containment by OBX-4?" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship[typeCode=COMP]" ]       ]     ], [
       fhir:index 98;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 99;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 100;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Code" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the identifier for an underlying condition to COVID0-19." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 101;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionCategoryCode.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 102;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionCategoryCode.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 103;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionCategoryCode.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 104;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionCategoryCode.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 105;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionCategoryCode.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "NEUROCOND" ]         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 106;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Reference" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the referred-to condition resource for the underlying condition to COVID-19" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 107;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionReference.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 108;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionReference.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 109;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionReference.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 110;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionReference.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 111;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionReference.value[x]:valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueReference" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-neuroligic-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-neuroligic-medical-condition>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 112;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 113;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of component observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"code\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and  component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-neurolgic-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-neurolgic-condition-value-set>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR \r< 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ]     ], [
       fhir:index 114;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 115;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 116;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the component result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.component.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "\"Null\" or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"test not done\". \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed.  Because of these options, use-case agreements are required to interpret general observations for exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 117;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 118;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation of component result" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.contentReference [ fhir:value "http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 119;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19UnderlyingImmunocompromisedMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Immunocompromised Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.comment [ fhir:value "For a discussion on the ways Observations can be assembled in groups together see [Notes](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable).   However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "containment by OBX-4?" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship[typeCode=COMP]" ]       ]     ], [
       fhir:index 120;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 121;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 122;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Code" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the identifier for an underlying condition to COVID0-19." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 123;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionCategoryCode.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 124;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionCategoryCode.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 125;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionCategoryCode.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 126;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionCategoryCode.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 127;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionCategoryCode.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "IMMUNOCOND" ]         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 128;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Reference" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the referred-to condition resource for the underlying condition to COVID-19" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 129;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionReference.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 130;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionReference.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 131;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionReference.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 132;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionReference.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 133;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionReference.value[x]:valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueReference" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-immunocompromised-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-immunocompromised-medical-condition>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 134;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 135;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of component observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"code\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and  component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-immunocompromised-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-immunocompromised-condition-value-set>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR \r< 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ]     ], [
       fhir:index 136;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 137;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 138;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the component result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.component.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "\"Null\" or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"test not done\". \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed.  Because of these options, use-case agreements are required to interpret general observations for exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 139;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 140;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation of component result" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.contentReference [ fhir:value "http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 141;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19RespiratoryUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Respiratory Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.comment [ fhir:value "For a discussion on the ways Observations can be assembled in groups together see [Notes](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable).   However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "containment by OBX-4?" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship[typeCode=COMP]" ]       ]     ], [
       fhir:index 142;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 143;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 144;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Code" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the identifier for an underlying condition to COVID0-19." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 145;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionCategoryCode.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 146;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionCategoryCode.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 147;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionCategoryCode.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 148;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 149;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "RESCOND" ]         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 150;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Reference" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the referred-to condition resource for the underlying condition to COVID-19" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 151;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionReference.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 152;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionReference.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 153;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionReference.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 154;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionReference.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 155;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionReference.value[x]:valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueReference" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-respiratory-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-respiratory-medical-condition>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 156;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 157;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of component observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"code\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and  component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-respiratory-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-respiratory-condition-value-set>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR \r< 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ]     ], [
       fhir:index 158;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 159;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 160;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the component result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.component.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "\"Null\" or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"test not done\". \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed.  Because of these options, use-case agreements are required to interpret general observations for exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 161;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 162;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation of component result" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.contentReference [ fhir:value "http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 163;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19UnderlyingMetabolicMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Metabolic Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.comment [ fhir:value "For a discussion on the ways Observations can be assembled in groups together see [Notes](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable).   However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "containment by OBX-4?" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship[typeCode=COMP]" ]       ]     ], [
       fhir:index 164;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 165;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 166;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Code" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the identifier for an underlying condition to COVID0-19." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 167;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionCategoryCode.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 168;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionCategoryCode.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 169;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionCategoryCode.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 170;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionCategoryCode.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 171;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionCategoryCode.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "METCOND" ]         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 172;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Reference" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the referred-to condition resource for the underlying condition to COVID-19" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 173;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionReference.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 174;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionReference.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 175;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionReference.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 176;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionReference.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 177;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionReference.value[x]:valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueReference" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-metabolic-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-metabolic-medical-condition>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 178;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 179;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of component observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"code\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and  component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-metabolic-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-metabolic-condition-value-set>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR \r< 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ]     ], [
       fhir:index 180;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 181;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 182;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the component result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.component.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "\"Null\" or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"test not done\". \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed.  Because of these options, use-case agreements are required to interpret general observations for exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 183;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 184;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation of component result" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.contentReference [ fhir:value "http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 185;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19HemoglobinopathyUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Hemoglobinopathy Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.comment [ fhir:value "For a discussion on the ways Observations can be assembled in groups together see [Notes](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable).   However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "containment by OBX-4?" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship[typeCode=COMP]" ]       ]     ], [
       fhir:index 186;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 187;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 188;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Code" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the identifier for an underlying condition to COVID0-19." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 189;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionCategoryCode.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 190;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionCategoryCode.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 191;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionCategoryCode.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 192;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 193;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "HEMCOND" ]         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 194;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Reference" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the referred-to condition resource for the underlying condition to COVID-19" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 195;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionReference.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 196;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionReference.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 197;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionReference.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 198;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionReference.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 199;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionReference.value[x]:valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueReference" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-hemoglobinopathy-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-hemoglobinopathy-medical-condition>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 200;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 201;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of component observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"code\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and  component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid91-underlying-hemoglobinopathy-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid91-underlying-hemoglobinopathy-condition-value-set>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR \r< 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ]     ], [
       fhir:index 202;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 203;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 204;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the component result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.component.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "\"Null\" or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"test not done\". \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed.  Because of these options, use-case agreements are required to interpret general observations for exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 205;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 206;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation of component result" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.contentReference [ fhir:value "http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 207;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19RenalUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Renal Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.comment [ fhir:value "For a discussion on the ways Observations can be assembled in groups together see [Notes](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable).   However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "containment by OBX-4?" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship[typeCode=COMP]" ]       ]     ], [
       fhir:index 208;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 209;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 210;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Code" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the identifier for an underlying condition to COVID0-19." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 211;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionCategoryCode.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 212;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionCategoryCode.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 213;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionCategoryCode.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 214;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 215;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "RENCOND" ]         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 216;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Reference" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the referred-to condition resource for the underlying condition to COVID-19" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 217;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionReference.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 218;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionReference.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 219;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionReference.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 220;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionReference.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 221;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionReference.value[x]:valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueReference" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-renal-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-renal-medical-condition>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 222;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 223;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of component observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"code\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and  component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-renal-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-renal-condition-value-set>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR \r< 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ]     ], [
       fhir:index 224;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 225;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 226;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the component result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.component.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "\"Null\" or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"test not done\". \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed.  Because of these options, use-case agreements are required to interpret general observations for exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 227;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 228;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation of component result" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.contentReference [ fhir:value "http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 229;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19ImmuneUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Immune Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.comment [ fhir:value "For a discussion on the ways Observations can be assembled in groups together see [Notes](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable).   However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "containment by OBX-4?" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship[typeCode=COMP]" ]       ]     ], [
       fhir:index 230;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 231;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 232;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Code" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the identifier for an underlying condition to COVID0-19." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 233;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionCategoryCode.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 234;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionCategoryCode.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 235;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionCategoryCode.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 236;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 237;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "IMMCOND" ]         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 238;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Reference" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the referred-to condition resource for the underlying condition to COVID-19" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 239;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionReference.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 240;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionReference.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 241;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionReference.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 242;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionReference.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 243;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionReference.value[x]:valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueReference" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-immune-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-immune-medical-condition>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 244;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 245;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of component observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"code\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and  component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-immune-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-immune-condition-value-set>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR \r< 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ]     ], [
       fhir:index 246;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 247;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 248;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the component result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.component.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "\"Null\" or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"test not done\". \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed.  Because of these options, use-case agreements are required to interpret general observations for exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 249;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 250;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation of component result" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.contentReference [ fhir:value "http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 251;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19GastrointestinalHepaticUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Gastrointestinal or Hepatic Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.comment [ fhir:value "For a discussion on the ways Observations can be assembled in groups together see [Notes](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable).   However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "containment by OBX-4?" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship[typeCode=COMP]" ]       ]     ], [
       fhir:index 252;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 253;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 254;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Code" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the identifier for an underlying condition to COVID0-19." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 255;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionCategoryCode.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 256;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionCategoryCode.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 257;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionCategoryCode.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 258;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 259;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "GSHCOND" ]         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 260;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Reference" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the referred-to condition resource for the underlying condition to COVID-19" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 261;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionReference.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 262;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionReference.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 263;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionReference.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 264;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionReference.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 265;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionReference.value[x]:valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueReference" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-gastrointestinal-hepatic-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-gastrointestinal-hepatic-medical-condition>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 266;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 267;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of component observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"code\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and  component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-gastrointestinal-hepatic-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-gastrointestinal-hepatic-condition-value-set>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR \r< 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ]     ], [
       fhir:index 268;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 269;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 270;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the component result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.component.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "\"Null\" or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"test not done\". \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed.  Because of these options, use-case agreements are required to interpret general observations for exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 271;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 272;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation of component result" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.contentReference [ fhir:value "http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ], [
       fhir:index 273;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19UncategorizedUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Uncategorized Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.comment [ fhir:value "For a discussion on the ways Observations can be assembled in groups together see [Notes](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "Component observations share the same attributes in the Observation resource as the primary observation and are always treated a part of a single observation (they are not separable).   However, the reference range for the primary observation value is not inherited by the component values and is required when appropriate for each component observation." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "BackboneElement" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "containment by OBX-4?" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outBoundRelationship[typeCode=COMP]" ]       ]     ], [
       fhir:index 274;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 275;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 276;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Code" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the identifier for an underlying condition to COVID0-19." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 277;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionCategoryCode.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 278;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionCategoryCode.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 279;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionCategoryCode.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-category-code" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 280;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 281;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionCategoryCode.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "UNCCOND" ]         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 282;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.short [ fhir:value "COVID-19 Underlying Condition Reference" ];
       fhir:ElementDefinition.definition [ fhir:value "An extension to capture the referred-to condition resource for the underlying condition to COVID-19" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ];
         fhir:ElementDefinition.type.profile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference>         ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "ele-1";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), 'value')])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 283;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionReference.id" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.id" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "Unique id for inter-element referencing" ];
       fhir:ElementDefinition.definition [ fhir:value "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.id" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "string" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "n/a" ]       ]     ], [
       fhir:index 284;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionReference.extension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.extension" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "value" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "url" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Extensions are always sliced by (at least) url" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Extension" ];
       fhir:ElementDefinition.definition [ fhir:value "An Extension" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "0" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Element.extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]     ], [
       fhir:index 285;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionReference.url" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.url" ];
       fhir:ElementDefinition.representation [
         fhir:value "xmlAttr";
         fhir:index 0       ];
       fhir:ElementDefinition.short [ fhir:value "identifies the meaning of the extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Source of the definition for the extension code - a logical name or a URL." ];
       fhir:ElementDefinition.comment [ fhir:value "The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition SHALL be a URI for the Structure Definition defining the extension." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.url" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type" ];
           fhir:Extension.valueUrl [ fhir:value "uri" ]         ];
         fhir:ElementDefinition.type.code [ fhir:value "http://hl7.org/fhirpath/System.String" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/covid19-underlying-condition-reference" ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 286;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionReference.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 287;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionReference.value[x]:valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueReference" ];
       fhir:ElementDefinition.short [ fhir:value "Value of extension" ];
       fhir:ElementDefinition.definition [ fhir:value "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R4/extensibility.html) for a list)." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-uncategorized-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-uncategorized-medical-condition>         ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 288;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.modifierExtension" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.modifierExtension" ];
       fhir:ElementDefinition.short [ fhir:value "Extensions that cannot be ignored even if unrecognized" ];
       fhir:ElementDefinition.definition [ fhir:value "May be used to represent additional information that is not part of the basic definition of the element and that modifies the understanding of the element in which it is contained and/or the understanding of the containing element's descendants. Usually modifier elements provide negation or qualification. To make the use of extensions safe and manageable, there is a strict set of governance applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension. Applications processing a resource are required to check for modifier extensions.\n\nModifier extensions SHALL NOT change the meaning of any elements on Resource or DomainResource (including cannot change the meaning of modifierExtension itself)." ];
       fhir:ElementDefinition.comment [ fhir:value "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone." ];
       fhir:ElementDefinition.requirements [ fhir:value "Modifier extensions allow for extensions that *cannot* be safely ignored to be clearly distinguished from the vast majority of extensions which can be safely ignored.  This promotes interoperability by eliminating the need for implementers to prohibit the presence of extensions. For further information, see the [definition of modifier extensions](http://hl7.org/fhir/R4/extensibility.html#modifierExtension)." ];
       fhir:ElementDefinition.alias [
         fhir:value "extensions";
         fhir:index 0       ], [
         fhir:value "user content";
         fhir:index 1       ], [
         fhir:value "modifiers";
         fhir:index 2       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "BackboneElement.modifierExtension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Extension" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.constraint.key [ fhir:value "ext-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "Must have either extensions or value[x], not both" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "extension.exists() != value.exists()" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "exists(f:extension)!=exists(f:*[starts-with(local-name(.), \"value\")])" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.isModifierReason [ fhir:value "Modifier extensions are expected to modify the meaning or interpretation of the element that contains them" ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ]     ], [
       fhir:index 289;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.short [ fhir:value "Type of component observation (code / type)" ];
       fhir:ElementDefinition.definition [ fhir:value "Describes what was observed. Sometimes this is called the observation \"code\"." ];
       fhir:ElementDefinition.comment [ fhir:value "*All* code-value and  component.code-component.value pairs need to be taken into account to correctly understand the meaning of the observation." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what kind of observation is being made is essential to understanding the observation." ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.code" ];
         fhir:ElementDefinition.base.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-uncategorized-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-uncategorized-condition-value-set>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "w5" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "FiveWs.what[x]" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 363787002 |Observable entity| OR \r< 386053000 |Evaluation procedure|" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-3" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "code" ]       ]     ], [
       fhir:index 290;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "type" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "$this" ]         ];
         fhir:ElementDefinition.slicing.ordered [ fhir:value "false"^^xsd:boolean ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "closed" ]       ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 291;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.value[x]:valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.value[x]" ];
       fhir:ElementDefinition.sliceName [ fhir:value "valueCodeableConcept" ];
       fhir:ElementDefinition.short [ fhir:value "Actual component result" ];
       fhir:ElementDefinition.definition [ fhir:value "The information determined as a result of making the observation, if the information has a simple value." ];
       fhir:ElementDefinition.comment [ fhir:value "Used when observation has a set of component observations. An observation may have both a value (e.g. an  Apgar score)  and component observations (the observations from which the Apgar score was derived). If a value is present, the datatype for this element should be determined by Observation.code. A CodeableConcept with just a text would be used instead of a string if the field was usually coded, or if the type associated with the Observation.code defines a coded value.  For additional guidance, see the [Notes section](http://hl7.org/fhir/R4/observation.html#notes) below." ];
       fhir:ElementDefinition.requirements [ fhir:value "An observation exists to have a value, though it might not if it is in error, or if it represents a group of observations." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.value[x]" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "true"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets| < 441742003 |Evaluation finding|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.2, OBX.5, OBX.6" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363714003 |Interprets|" ]       ]     ], [
       fhir:index 292;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.dataAbsentReason" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.dataAbsentReason" ];
       fhir:ElementDefinition.short [ fhir:value "Why the component result is missing" ];
       fhir:ElementDefinition.definition [ fhir:value "Provides a reason why the expected value in the element Observation.component.value[x] is missing." ];
       fhir:ElementDefinition.comment [ fhir:value "\"Null\" or exceptional values can be represented two ways in FHIR Observations.  One way is to simply include them in the value set and represent the exceptions in the value.  For example, measurement values for a serology test could be  \"detected\", \"not detected\", \"inconclusive\", or  \"test not done\". \n\nThe alternate way is to use the value element for actual observations and use the explicit dataAbsentReason element to record exceptional values.  For example, the dataAbsentReason code \"error\" could be used when the measurement was not completed.  Because of these options, use-case agreements are required to interpret general observations for exceptional values." ];
       fhir:ElementDefinition.requirements [ fhir:value "For many results it is necessary to handle exceptional values in measurements." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.dataAbsentReason" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "1" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.condition [
         fhir:value "obs-6";
         fhir:index 0       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationValueAbsentReason" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes specifying why the result (`Observation.value[x]`) is missing." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/data-absent-reason";
           fhir:link <http://hl7.org/fhir/ValueSet/data-absent-reason>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "N/A" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "value.nullFlavor" ]       ]     ], [
       fhir:index 293;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.interpretation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.interpretation" ];
       fhir:ElementDefinition.short [ fhir:value "High, low, normal, etc." ];
       fhir:ElementDefinition.definition [ fhir:value "A categorical assessment of an observation value.  For example, high, low, normal." ];
       fhir:ElementDefinition.comment [ fhir:value "Historically used for laboratory results (known as 'abnormal flag' ),  its use extends to other use cases where coded interpretations  are relevant.  Often reported as one or more simple compact codes this element is often placed adjacent to the result value in reports and flow sheets to signal the meaning/normalcy status of the result." ];
       fhir:ElementDefinition.requirements [ fhir:value "For some results, particularly numeric results, an interpretation is necessary to fully understand the significance of a result." ];
       fhir:ElementDefinition.alias [
         fhir:value "Abnormal Flag";
         fhir:index 0       ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.interpretation" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "CodeableConcept" ]       ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.binding [
         fhir:Element.extension [
           fhir:index 0;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName" ];
           fhir:Extension.valueString [ fhir:value "ObservationInterpretation" ]         ];
         fhir:ElementDefinition.binding.strength [ fhir:value "extensible" ];
         fhir:ElementDefinition.binding.description [ fhir:value "Codes identifying interpretations of observations." ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/ValueSet/observation-interpretation";
           fhir:link <http://hl7.org/fhir/ValueSet/observation-interpretation>         ]       ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-concept" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "< 260245000 |Findings values|" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX-8" ]       ], [
         fhir:index 2;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "interpretationCode" ]       ], [
         fhir:index 3;
         fhir:ElementDefinition.mapping.identity [ fhir:value "sct-attr" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "363713009 |Has interpretation|" ]       ]     ], [
       fhir:index 294;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.referenceRange" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.referenceRange" ];
       fhir:ElementDefinition.short [ fhir:value "Provides guide for interpretation of component result" ];
       fhir:ElementDefinition.definition [ fhir:value "Guidance on how to interpret the value by comparison to a normal or recommended range." ];
       fhir:ElementDefinition.comment [ fhir:value "Most observations only have one generic reference range. Systems MAY choose to restrict to only supplying the relevant reference range based on knowledge about the patient (e.g., specific to the patient's age, gender, weight and other factors), but this might not be possible or appropriate. Whenever more than one reference range is supplied, the differences between them SHOULD be provided in the reference range and/or age properties." ];
       fhir:ElementDefinition.requirements [ fhir:value "Knowing what values are considered \"normal\" can help evaluate the significance of a particular result. Need to be able to provide multiple reference ranges for different contexts." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Observation.component.referenceRange" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       fhir:ElementDefinition.contentReference [ fhir:value "http://hl7.org/fhir/StructureDefinition/Observation#Observation.referenceRange" ];
       fhir:ElementDefinition.constraint [
         fhir:index 0;
         fhir:ElementDefinition.constraint.key [ fhir:value "ele-1" ];
         fhir:ElementDefinition.constraint.severity [ fhir:value "error" ];
         fhir:ElementDefinition.constraint.human [ fhir:value "All FHIR elements must have a @value or children" ];
         fhir:ElementDefinition.constraint.expression [ fhir:value "hasValue() or (children().count() > id.count())" ];
         fhir:ElementDefinition.constraint.xpath [ fhir:value "@value|f:*|h:div" ];
         fhir:ElementDefinition.constraint.source [
           fhir:value "http://hl7.org/fhir/StructureDefinition/Element";
           fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ];
       fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ];
       fhir:ElementDefinition.mapping [
         fhir:index 0;
         fhir:ElementDefinition.mapping.identity [ fhir:value "v2" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "OBX.7" ]       ], [
         fhir:index 1;
         fhir:ElementDefinition.mapping.identity [ fhir:value "rim" ];
         fhir:ElementDefinition.mapping.map [ fhir:value "outboundRelationship[typeCode=REFV]/target[classCode=OBS, moodCode=EVN]" ]       ]     ]
  ];
  fhir:StructureDefinition.differential [
     fhir:StructureDefinition.differential.element [
       fhir:index 0;
       fhir:Element.id [ fhir:value "Observation" ];
       fhir:ElementDefinition.path [ fhir:value "Observation" ]     ], [
       fhir:index 1;
       fhir:Element.id [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.slicing [
         fhir:ElementDefinition.slicing.discriminator [
           fhir:index 0;
           fhir:ElementDefinition.slicing.discriminator.type [ fhir:value "pattern" ];
           fhir:ElementDefinition.slicing.discriminator.path [ fhir:value "code" ]         ];
         fhir:ElementDefinition.slicing.description [ fhir:value "Slice based on the component.code pattern" ];
         fhir:ElementDefinition.slicing.rules [ fhir:value "open" ]       ]     ], [
       fhir:index 2;
       fhir:Element.id [ fhir:value "Observation.component.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ]     ], [
       fhir:index 3;
       fhir:Element.id [ fhir:value "Observation.component.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ];
       fhir:ElementDefinition.mustSupport [ fhir:value "true"^^xsd:boolean ]     ], [
       fhir:index 4;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19UnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Medical Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ]     ], [
       fhir:index 5;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ]     ], [
       fhir:index 6;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueCodeableConcept" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "MEDCOND" ]         ]       ]     ], [
       fhir:index 7;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ]     ], [
       fhir:index 8;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.extension:conditionReference.valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueReference" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/COVID-19-underlying-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/COVID-19-underlying-medical-condition>         ]       ]     ], [
       fhir:index 9;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-medical-condition-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-medical-condition-vs>         ]       ]     ], [
       fhir:index 10;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMedicalCondition.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.valueCodeableConcept" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ]     ], [
       fhir:index 11;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19UnderlyingCardiovascularMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Cardiovascular Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ]     ], [
       fhir:index 12;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ]     ], [
       fhir:index 13;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueCodeableConcept" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "CARCOND" ]         ]       ]     ], [
       fhir:index 14;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ]     ], [
       fhir:index 15;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.extension:conditionReference.valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueReference" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-cardiovascular-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-cardiovascular-medical-condition>         ]       ]     ], [
       fhir:index 16;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-cardiovascular-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-cardiovascular-condition-value-set>         ]       ]     ], [
       fhir:index 17;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingCardiovascularMedicalCondition.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.valueCodeableConcept" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ]     ], [
       fhir:index 18;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19UnderlyingNeuroligicMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Neurologic Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ]     ], [
       fhir:index 19;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ]     ], [
       fhir:index 20;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueCodeableConcept" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "NEUROCOND" ]         ]       ]     ], [
       fhir:index 21;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ]     ], [
       fhir:index 22;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.extension:conditionReference.valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueReference" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-neuroligic-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-neuroligic-medical-condition>         ]       ]     ], [
       fhir:index 23;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-neurolgic-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-neurolgic-condition-value-set>         ]       ]     ], [
       fhir:index 24;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingNeuroligicMedicalCondition.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.valueCodeableConcept" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ]     ], [
       fhir:index 25;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19UnderlyingImmunocompromisedMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Immunocompromised Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ]     ], [
       fhir:index 26;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ]     ], [
       fhir:index 27;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueCodeableConcept" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "IMMUNOCOND" ]         ]       ]     ], [
       fhir:index 28;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ]     ], [
       fhir:index 29;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.extension:conditionReference.valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueReference" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-immunocompromised-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-immunocompromised-medical-condition>         ]       ]     ], [
       fhir:index 30;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-immunocompromised-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-immunocompromised-condition-value-set>         ]       ]     ], [
       fhir:index 31;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingImmunocompromisedMedicalCondition.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.valueCodeableConcept" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ]     ], [
       fhir:index 32;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19RespiratoryUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Respiratory Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ]     ], [
       fhir:index 33;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ]     ], [
       fhir:index 34;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueCodeableConcept" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "RESCOND" ]         ]       ]     ], [
       fhir:index 35;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ]     ], [
       fhir:index 36;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.extension:conditionReference.valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueReference" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-respiratory-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-respiratory-medical-condition>         ]       ]     ], [
       fhir:index 37;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-respiratory-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-respiratory-condition-value-set>         ]       ]     ], [
       fhir:index 38;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RespiratoryUnderlyingMedicalCondition.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.valueCodeableConcept" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ]     ], [
       fhir:index 39;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19UnderlyingMetabolicMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Metabolic Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ]     ], [
       fhir:index 40;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ]     ], [
       fhir:index 41;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueCodeableConcept" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "METCOND" ]         ]       ]     ], [
       fhir:index 42;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ]     ], [
       fhir:index 43;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.extension:conditionReference.valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueReference" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-metabolic-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-metabolic-medical-condition>         ]       ]     ], [
       fhir:index 44;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-metabolic-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-metabolic-condition-value-set>         ]       ]     ], [
       fhir:index 45;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UnderlyingMetabolicMedicalCondition.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.valueCodeableConcept" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ]     ], [
       fhir:index 46;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19HemoglobinopathyUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Hemoglobinopathy Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ]     ], [
       fhir:index 47;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ]     ], [
       fhir:index 48;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueCodeableConcept" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "HEMCOND" ]         ]       ]     ], [
       fhir:index 49;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ]     ], [
       fhir:index 50;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.extension:conditionReference.valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueReference" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-hemoglobinopathy-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-hemoglobinopathy-medical-condition>         ]       ]     ], [
       fhir:index 51;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid91-underlying-hemoglobinopathy-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid91-underlying-hemoglobinopathy-condition-value-set>         ]       ]     ], [
       fhir:index 52;
       fhir:Element.id [ fhir:value "Observation.component:COVID19HemoglobinopathyUnderlyingMedicalCondition.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.valueCodeableConcept" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ]     ], [
       fhir:index 53;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19RenalUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Renal Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ]     ], [
       fhir:index 54;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ]     ], [
       fhir:index 55;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueCodeableConcept" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "RENCOND" ]         ]       ]     ], [
       fhir:index 56;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ]     ], [
       fhir:index 57;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.extension:conditionReference.valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueReference" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-renal-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-renal-medical-condition>         ]       ]     ], [
       fhir:index 58;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-renal-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-renal-condition-value-set>         ]       ]     ], [
       fhir:index 59;
       fhir:Element.id [ fhir:value "Observation.component:COVID19RenalUnderlyingMedicalCondition.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.valueCodeableConcept" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ]     ], [
       fhir:index 60;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19ImmuneUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Immune Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ]     ], [
       fhir:index 61;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ]     ], [
       fhir:index 62;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueCodeableConcept" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "IMMCOND" ]         ]       ]     ], [
       fhir:index 63;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ]     ], [
       fhir:index 64;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.extension:conditionReference.valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueReference" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-immune-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-immune-medical-condition>         ]       ]     ], [
       fhir:index 65;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-immune-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-immune-condition-value-set>         ]       ]     ], [
       fhir:index 66;
       fhir:Element.id [ fhir:value "Observation.component:COVID19ImmuneUnderlyingMedicalCondition.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.valueCodeableConcept" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ]     ], [
       fhir:index 67;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19GastrointestinalHepaticUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Gastrointestinal or Hepatic Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ]     ], [
       fhir:index 68;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ]     ], [
       fhir:index 69;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueCodeableConcept" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "GSHCOND" ]         ]       ]     ], [
       fhir:index 70;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ]     ], [
       fhir:index 71;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.extension:conditionReference.valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueReference" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-gastrointestinal-hepatic-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-gastrointestinal-hepatic-medical-condition>         ]       ]     ], [
       fhir:index 72;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-gastrointestinal-hepatic-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-gastrointestinal-hepatic-condition-value-set>         ]       ]     ], [
       fhir:index 73;
       fhir:Element.id [ fhir:value "Observation.component:COVID19GastrointestinalHepaticUnderlyingMedicalCondition.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.valueCodeableConcept" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ]     ], [
       fhir:index 74;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component" ];
       fhir:ElementDefinition.sliceName [ fhir:value "COVID19UncategorizedUnderlyingMedicalCondition" ];
       fhir:ElementDefinition.short [ fhir:value "COVID19 Underlying Uncategorized Condition" ];
       fhir:ElementDefinition.definition [ fhir:value "Component representing the presence or absence of the named underlying condition with optional fields for the identifyer and refrenced condition resource." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "*" ]     ], [
       fhir:index 75;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionCategoryCode" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionCategoryCode" ]     ], [
       fhir:index 76;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionCategoryCode.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueCodeableConcept" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.patternCodeableConcept [
         fhir:CodeableConcept.coding [
           fhir:index 0;
           fhir:Coding.system [ fhir:value "http://hl7.org/fhir/us/covid19library/CodeSystem/covid19-underlying-condition-category-cs" ];
           fhir:Coding.code [ fhir:value "UNCCOND" ]         ]       ]     ], [
       fhir:index 77;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension" ];
       fhir:ElementDefinition.sliceName [ fhir:value "conditionReference" ]     ], [
       fhir:index 78;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.extension:conditionReference.valueReference" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.extension.valueReference" ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "Reference" ];
         fhir:ElementDefinition.type.targetProfile [
           fhir:value "http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-uncategorized-medical-condition";
           fhir:index 0;
           fhir:link <http://hl7.org/fhir/us/covid19library/StructureDefinition/underlying-uncategorized-medical-condition>         ]       ]     ], [
       fhir:index 79;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.code" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.code" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-uncategorized-condition-value-set";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/covid19-underlying-uncategorized-condition-value-set>         ]       ]     ], [
       fhir:index 80;
       fhir:Element.id [ fhir:value "Observation.component:COVID19UncategorizedUnderlyingMedicalCondition.valueCodeableConcept" ];
       fhir:ElementDefinition.path [ fhir:value "Observation.component.valueCodeableConcept" ];
       fhir:ElementDefinition.binding [
         fhir:ElementDefinition.binding.strength [ fhir:value "required" ];
         fhir:ElementDefinition.binding.valueSet [
           fhir:value "http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs";
           fhir:link <http://hl7.org/fhir/us/covid19library/ValueSet/present-absent-unknown-vs>         ]       ]     ]
  ].

# - ontology header ------------------------------------------------------------

 a owl:Ontology;
  owl:imports fhir:fhir.ttl.