Structured Data Capture
3.0.0-preview - STU 3 International flag

This page is part of the Structured Data Capture FHIR IG (v3.0.0-preview: STU 3 Draft) based on FHIR R4. The current version which supercedes this version is 3.0.0. For a full list of available versions, see the Directory of published versions

Extension: UnitSupplementalSystem - TTL Profile

Page standards status: Draft Maturity Level: 0

TTL representation of the sdc-questionnaire-unitSupplementalSystem extension.

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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 "sdc-questionnaire-unitSupplementalSystem"];
  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_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-sdc-questionnaire-unitSupplementalSystem-definitions.html#Extension\" title=\"If the questionnaire-unit-open extension indicates that additional units other than the set of options provided for the question are allowed, this indicates the code system those units are expected to be drawn from.  This extension SHOULD be present on any question where questionare-unit-open allows additional coded values.\">Extension</a><a name=\"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\">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/extensibility.html#Extension\">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\">This extension indicates the code system the additional units are drawn from</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_bck10.png)\" class=\"hierarchy\"><img src=\"tbl_spacer.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"tbl_vjoin.png\" alt=\".\" style=\"background-color: inherit\" class=\"hierarchy\"/><img src=\"icon_primitive.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Primitive Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-sdc-questionnaire-unitSupplementalSystem-definitions.html#Extension.url\">url</a><a name=\"Extension.url\"> </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 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\"><span style=\"color: darkgreen\">&quot;http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-unitSupplementalSystem&quot;</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_bck00.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_primitive.png\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Primitive Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-sdc-questionnaire-unitSupplementalSystem-definitions.html#Extension.value[x]\">value[x]</a><a name=\"Extension.value_x_\"> </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/references.html\">canonical</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><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-standards-status" ];
     fhir:Extension.valueCode [ fhir:value "draft" ]
  ], [
     fhir:index 1;
     fhir:Extension.url [ fhir:value "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm" ];
     fhir:Extension.valueInteger [ fhir:value "0"^^xsd:integer ]
  ];
  fhir:StructureDefinition.url [ fhir:value "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-unitSupplementalSystem"];
  fhir:StructureDefinition.version [ fhir:value "3.0.0-preview"];
  fhir:StructureDefinition.name [ fhir:value "UnitSupplementalSystem"];
  fhir:StructureDefinition.title [ fhir:value "Code system for other units"];
  fhir:StructureDefinition.status [ fhir:value "draft"];
  fhir:StructureDefinition.date [ fhir:value "2022-02-16T19:40:22+11:00"^^xsd:dateTime];
  fhir:StructureDefinition.publisher [ fhir:value "HL7 International - FHIR Infrastructure Work Group"];
  fhir:StructureDefinition.contact [
     fhir:index 0;
     fhir:ContactDetail.telecom [
       fhir:index 0;
       fhir:ContactPoint.system [ fhir:value "url" ];
       fhir:ContactPoint.value [ fhir:value "http://hl7.org/Special/committees/fiwg" ]     ]
  ];
  fhir:StructureDefinition.description [ fhir:value "If the questionnaire-unit-open extension indicates that additional units other than the set of options provided for the question are allowed, this indicates the code system those units are expected to be drawn from.  This extension SHOULD be present on any question where questionnaire-unit-open allows additional coded values."];
  fhir:StructureDefinition.jurisdiction [
     fhir:index 0;
     fhir:CodeableConcept.coding [
       fhir:index 0;
       fhir:Coding.system [ fhir:value "http://unstats.un.org/unsd/methods/m49/m49.htm" ];
       fhir:Coding.code [ fhir:value "001" ]     ]
  ];
  fhir:StructureDefinition.fhirVersion [ fhir:value "4.0.1"];
  fhir:StructureDefinition.mapping [
     fhir:index 0;
     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:StructureDefinition.kind [ fhir:value "complex-type"];
  fhir:StructureDefinition.abstract [ fhir:value "false"^^xsd:boolean];
  fhir:StructureDefinition.context [
     fhir:index 0;
     fhir:StructureDefinition.context.type [ fhir:value "element" ];
     fhir:StructureDefinition.context.expression [ fhir:value "Questionnaire.item" ]
  ], [
     fhir:index 1;
     fhir:StructureDefinition.context.type [ fhir:value "element" ];
     fhir:StructureDefinition.context.expression [ fhir:value "ElementDefinition" ]
  ];
  fhir:StructureDefinition.type [ fhir:value "Extension"];
  fhir:StructureDefinition.baseDefinition [
     fhir:value "http://hl7.org/fhir/StructureDefinition/Extension";
     fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>
  ];
  fhir:StructureDefinition.derivation [ fhir:value "constraint"];
  fhir:StructureDefinition.snapshot [
     fhir:StructureDefinition.snapshot.element [
       fhir:index 0;
       fhir:Element.id [ fhir:value "Extension" ];
       fhir:ElementDefinition.path [ fhir:value "Extension" ];
       fhir:ElementDefinition.short [ fhir:value "This extension indicates the code system the additional units are drawn from" ];
       fhir:ElementDefinition.definition [ fhir:value "If the questionnaire-unit-open extension indicates that additional units other than the set of options provided for the question are allowed, this indicates the code system those units are expected to be drawn from.  This extension SHOULD be present on any question where questionare-unit-open allows additional coded values." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.base [
         fhir:ElementDefinition.base.path [ fhir:value "Extension" ];
         fhir:ElementDefinition.base.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
         fhir:ElementDefinition.base.max [ fhir:value "*" ]       ];
       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 1;
       fhir:Element.id [ fhir:value "Extension.id" ];
       fhir:ElementDefinition.path [ fhir:value "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 2;
       fhir:Element.id [ fhir:value "Extension.extension" ];
       fhir:ElementDefinition.path [ fhir:value "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 "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 3;
       fhir:Element.id [ fhir:value "Extension.url" ];
       fhir:ElementDefinition.path [ fhir:value "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:ElementDefinition.type.code [ fhir:value "uri" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-unitSupplementalSystem" ];
       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 4;
       fhir:Element.id [ fhir:value "Extension.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Extension.value[x]" ];
       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 "1"^^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 "canonical" ]       ];
       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:StructureDefinition.differential [
     fhir:StructureDefinition.differential.element [
       fhir:index 0;
       fhir:Element.id [ fhir:value "Extension" ];
       fhir:ElementDefinition.path [ fhir:value "Extension" ];
       fhir:ElementDefinition.short [ fhir:value "This extension indicates the code system the additional units are drawn from" ];
       fhir:ElementDefinition.definition [ fhir:value "If the questionnaire-unit-open extension indicates that additional units other than the set of options provided for the question are allowed, this indicates the code system those units are expected to be drawn from.  This extension SHOULD be present on any question where questionare-unit-open allows additional coded values." ];
       fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ]     ], [
       fhir:index 1;
       fhir:Element.id [ fhir:value "Extension.url" ];
       fhir:ElementDefinition.path [ fhir:value "Extension.url" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "uri" ]       ];
       fhir:ElementDefinition.fixedUri [ fhir:value "http://hl7.org/fhir/uv/sdc/StructureDefinition/sdc-questionnaire-unitSupplementalSystem" ]     ], [
       fhir:index 2;
       fhir:Element.id [ fhir:value "Extension.value[x]" ];
       fhir:ElementDefinition.path [ fhir:value "Extension.value[x]" ];
       fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ];
       fhir:ElementDefinition.max [ fhir:value "1" ];
       fhir:ElementDefinition.type [
         fhir:index 0;
         fhir:ElementDefinition.type.code [ fhir:value "canonical" ]       ]     ]
  ].

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

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