FHIR Extensions Pack
5.1.0 - 5.1.0 (April 2024) International flag

This page is part of the FHIR Core Extensions Registry (v5.1.0: Release 5.1) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version. For a full list of available versions, see the Directory of published versions

Extension: AICertainty - TTL Profile

Page standards status: Trial-use Maturity Level: 3

TTL representation of the allergyintolerance-certainty 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:id [ fhir:v "allergyintolerance-certainty"] ; # 
  fhir:text [
fhir:status [ fhir:v "extensions" ] ;
fhir: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=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" 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=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" 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=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" 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=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" 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=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Additional information about the element\">Description &amp; Constraints</a><span style=\"float: right\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,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\" 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-allergyintolerance-certainty-definitions.html#Extension\" title=\"Statement about the degree of clinical certainty that the specific substance was the cause of the manifestation in this reaction event.\">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/R5/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\">Certainty that the substance was the cause of the manifestation</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_extension_simple.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Simple Extension\" class=\"hierarchy\"/> <span style=\"text-decoration:line-through\">extension</span><a name=\"Extension.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=\"text-decoration:line-through\"/><span style=\"text-decoration:line-through\">0</span><span style=\"text-decoration:line-through\">..</span><span style=\"text-decoration:line-through\">0</span></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\"/></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_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_element.gif\" alt=\".\" style=\"background-color: white; background-color: inherit\" title=\"Element\" class=\"hierarchy\"/> <a href=\"StructureDefinition-allergyintolerance-certainty-definitions.html#Extension.url\">url</a><a name=\"Extension.url\"> </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=\"http://hl7.org/fhir/R5/datatypes.html#uri\">uri</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=\"color: darkgreen\">&quot;http://hl7.org/fhir/StructureDefinition/allergyintolerance-certainty&quot;</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_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_datatype.gif\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Data Type\" class=\"hierarchy\"/> <a href=\"StructureDefinition-allergyintolerance-certainty-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: #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..<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/R5/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\">Binding: </span><a href=\"ValueSet-reaction-event-certainty.html\" title=\"http://hl7.org/fhir/ValueSet/reaction-event-certainty\">AllergyIntoleranceCertainty</a> (<a href=\"http://hl7.org/fhir/R5/terminologies.html#extensible\" title=\"To be conformant, the concept in this element SHALL be from the specified value set if any of the codes within the value set can apply to the concept being communicated.  If the value set does not cover the concept (based on human review), alternate codings (or, data type allowing, text) may be included instead.\">extensible</a>): Statement about the degree of clinical certainty that a specific substance was the cause of the manifestation in a reaction event.<br/><br/></td></tr>\r\n<tr><td colspan=\"5\" class=\"hierarchy\"><br/><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Legend for this format\"><img src=\"data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAYAAAAf8/9hAAAABmJLR0QA/wD/AP+gvaeTAAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH3goXBCwdPqAP0wAAAldJREFUOMuNk0tIlFEYhp9z/vE2jHkhxXA0zJCMitrUQlq4lnSltEqCFhFG2MJFhIvIFpkEWaTQqjaWZRkp0g26URZkTpbaaOJkDqk10szoODP//7XIMUe0elcfnPd9zsfLOYplGrpRwZaqTtw3K7PtGem7Q6FoidbGgqHVy/HRb669R+56zx7eRV1L31JGxYbBtjKK93cxeqfyQHbehkZbUkK20goELEuIzEd+dHS+qz/Y8PTSif0FnGkbiwcAjHaU1+QWOptFiyCLp/LnKptpqIuXHx6rbR26kJcBX3yLgBfnd7CxwJmflpP2wUg0HIAoUUpZBmKzELGWcN8nAr6Gpu7tLU/CkwAaoKTWRSQyt89Q8w6J+oVQkKnBoblH7V0PPvUOvDYXfopE/SJmALsxnVm6LbkotrUtNowMeIrVrBcBpaMmdS0j9df7abpSuy7HWehwJdt1lhVwi/J58U5beXGAF6c3UXLycw1wdFklArBn87xdh0ZsZtArghBdAA3+OEDVubG4UEzP6x1FOWneHh2VDAHBAt80IbdXDcesNoCvs3E5AFyNSU5nbrDPZpcUEQQTFZiEVx+51fxMhhyJEAgvlriadIJZZksRuwBYMOPBbO3hePVVqgEJhFeUuFLhIPkRP6BQLIBrmMenujm/3g4zc398awIe90Zb5A1vREALqneMcYgP/xVQWlG+Ncu5vgwwlaUNx+3799rfe96u9K0JSDXcOzOTJg4B6IgmXfsygc7/Bvg9g9E58/cDVmGIBOP/zT8Bz1zqWqpbXIsd0O9hajXfL6u4BaOS6SeWAAAAAElFTkSuQmCC\" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
  ] ; # 
  fhir:extension ( [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"^^xsd:anyURI ] ;
fhir:value [ fhir:v "pc" ]
  ] [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"^^xsd:anyURI ] ;
fhir:value [ fhir:v "3"^^xsd:integer ]
  ] [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"^^xsd:anyURI ] ;
fhir:value [ fhir:v "trial-use" ]
  ] [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-type-characteristics"^^xsd:anyURI ] ;
fhir:value [ fhir:v "can-bind" ]
  ] ) ; # 
  fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/allergyintolerance-certainty"^^xsd:anyURI] ; # 
  fhir:identifier ( [
fhir:system [ fhir:v "urn:ietf:rfc:3986"^^xsd:anyURI ] ;
fhir:value [ fhir:v "urn:oid:2.16.840.1.113883.4.642.5.1293" ]
  ] ) ; # 
  fhir:version [ fhir:v "5.1.0"] ; # 
  fhir:name [ fhir:v "AICertainty"] ; # 
  fhir:title [ fhir:v "AllergyIntolerance Certainty"] ; # 
  fhir:status [ fhir:v "active"] ; # 
  fhir:experimental [ fhir:v "false"^^xsd:boolean] ; # 
  fhir:date [ fhir:v "2015-02-21"^^xsd:date] ; # 
  fhir:publisher [ fhir:v "HL7 International / Patient Care"] ; # 
  fhir:contact ( [
    ( fhir:telecom [
fhir:system [ fhir:v "url" ] ;
fhir:value [ fhir:v "http://www.hl7.org/Special/committees/patientcare" ]     ] )
  ] ) ; # 
  fhir:description [ fhir:v "Statement about the degree of clinical certainty that the specific substance was the cause of the manifestation in this reaction event."] ; # 
  fhir:jurisdiction ( [
    ( fhir:coding [
fhir:system [ fhir:v "http://unstats.un.org/unsd/methods/m49/m49.htm"^^xsd:anyURI ] ;
fhir:code [ fhir:v "001" ]     ] )
  ] ) ; # 
  fhir:fhirVersion [ fhir:v "5.0.0"] ; # 
  fhir:mapping ( [
fhir:identity [ fhir:v "rim" ] ;
fhir:uri [ fhir:v "http://hl7.org/v3"^^xsd:anyURI ] ;
fhir:name [ fhir:v "RIM Mapping" ]
  ] ) ; # 
  fhir:kind [ fhir:v "complex-type"] ; # 
  fhir:abstract [ fhir:v "false"^^xsd:boolean] ; # 
  fhir:context ( [
fhir:type [ fhir:v "element" ] ;
fhir:expression [ fhir:v "AllergyIntolerance.reaction" ]
  ] ) ; # 
  fhir:type [ fhir:v "Extension"^^xsd:anyURI] ; # 
  fhir:baseDefinition [
fhir:v "http://hl7.org/fhir/StructureDefinition/Extension"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>
  ] ; # 
  fhir:derivation [ fhir:v "constraint"] ; # 
  fhir:snapshot [
    ( fhir:element [
fhir:id [ fhir:v "Extension" ] ;
fhir:path [ fhir:v "Extension" ] ;
fhir:short [ fhir:v "Certainty that the substance was the cause of the manifestation" ] ;
fhir:definition [ fhir:v "Statement about the degree of clinical certainty that the specific substance was the cause of the manifestation in this reaction event." ] ;
fhir:comment [ fhir:v "When certainty is missing, it means no information exists (although it could be in narrative).  By contrast, the unknown code is used when there is an explicit assertion that certainty is not known, such as when a patient eats a meal and it is unknown which food caused the reaction." ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ] ;
fhir:base [
fhir:path [ fhir:v "Extension" ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "*" ]       ] ;
      ( fhir:constraint [
fhir:key [ fhir:v "ele-1" ] ;
fhir:severity [ fhir:v "error" ] ;
fhir:human [ fhir:v "All FHIR elements must have a @value or children" ] ;
fhir:expression [ fhir:v "hasValue() or (children().count() > id.count())" ] ;
fhir:source [
fhir:v "http://hl7.org/fhir/StructureDefinition/Element"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ] [
fhir:key [ fhir:v "ext-1" ] ;
fhir:severity [ fhir:v "error" ] ;
fhir:human [ fhir:v "Must have either extensions or value[x], not both" ] ;
fhir:expression [ fhir:v "extension.exists() != value.exists()" ] ;
fhir:source [
fhir:v "http://hl7.org/fhir/StructureDefinition/Extension"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ] ) ;
fhir:isModifier [ fhir:v "false"^^xsd:boolean ] ;
      ( fhir:mapping [
fhir:identity [ fhir:v "rim" ] ;
fhir:map [ fhir:v "uncertaintyCode" ]       ] )     ] [
fhir:id [ fhir:v "Extension.id" ] ;
fhir:path [ fhir:v "Extension.id" ] ;
      ( fhir:representation [ fhir:v "xmlAttr" ] ) ;
fhir:short [ fhir:v "Unique id for inter-element referencing" ] ;
fhir:definition [ fhir:v "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces." ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ] ;
fhir:base [
fhir:path [ fhir:v "Element.id" ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ]       ] ;
      ( fhir:type [
        ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"^^xsd:anyURI ] ;
fhir:value [ fhir:v "id"^^xsd:anyURI ]         ] ) ;
fhir:code [ fhir:v "http://hl7.org/fhirpath/System.String"^^xsd:anyURI ]       ] ) ;
      ( fhir:condition [ fhir:v "ele-1" ] ) ;
fhir:isModifier [ fhir:v "false"^^xsd:boolean ] ;
fhir:isSummary [ fhir:v "false"^^xsd:boolean ] ;
      ( fhir:mapping [
fhir:identity [ fhir:v "rim" ] ;
fhir:map [ fhir:v "n/a" ]       ] )     ] [
fhir:id [ fhir:v "Extension.extension" ] ;
fhir:path [ fhir:v "Extension.extension" ] ;
fhir:slicing [
        ( fhir:discriminator [
fhir:type [ fhir:v "value" ] ;
fhir:path [ fhir:v "url" ]         ] ) ;
fhir:description [ fhir:v "Extensions are always sliced by (at least) url" ] ;
fhir:rules [ fhir:v "open" ]       ] ;
fhir:short [ fhir:v "Extension" ] ;
fhir:definition [ fhir:v "An Extension" ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "0" ] ;
fhir:base [
fhir:path [ fhir:v "Element.extension" ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "*" ]       ] ;
      ( fhir:type [
fhir:code [ fhir:v "Extension"^^xsd:anyURI ]       ] ) ;
      ( fhir:constraint [
fhir:key [ fhir:v "ele-1" ] ;
fhir:severity [ fhir:v "error" ] ;
fhir:human [ fhir:v "All FHIR elements must have a @value or children" ] ;
fhir:expression [ fhir:v "hasValue() or (children().count() > id.count())" ] ;
fhir:source [
fhir:v "http://hl7.org/fhir/StructureDefinition/Element"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ] [
fhir:key [ fhir:v "ext-1" ] ;
fhir:severity [ fhir:v "error" ] ;
fhir:human [ fhir:v "Must have either extensions or value[x], not both" ] ;
fhir:expression [ fhir:v "extension.exists() != value.exists()" ] ;
fhir:source [
fhir:v "http://hl7.org/fhir/StructureDefinition/Extension"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/Extension>         ]       ] ) ;
fhir:isModifier [ fhir:v "false"^^xsd:boolean ] ;
fhir:isSummary [ fhir:v "false"^^xsd:boolean ]     ] [
fhir:id [ fhir:v "Extension.url" ] ;
fhir:path [ fhir:v "Extension.url" ] ;
      ( fhir:representation [ fhir:v "xmlAttr" ] ) ;
fhir:short [ fhir:v "identifies the meaning of the extension" ] ;
fhir:definition [ fhir:v "Source of the definition for the extension code - a logical name or a URL." ] ;
fhir:comment [ fhir:v "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:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ] ;
fhir:base [
fhir:path [ fhir:v "Extension.url" ] ;
fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ]       ] ;
      ( fhir:type [
        ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type"^^xsd:anyURI ] ;
fhir:value [ fhir:v "uri"^^xsd:anyURI ]         ] ) ;
fhir:code [ fhir:v "http://hl7.org/fhirpath/System.String"^^xsd:anyURI ]       ] ) ;
fhir:fixed [ fhir:v "http://hl7.org/fhir/StructureDefinition/allergyintolerance-certainty"^^xsd:anyURI ] ;
fhir:isModifier [ fhir:v "false"^^xsd:boolean ] ;
fhir:isSummary [ fhir:v "false"^^xsd:boolean ] ;
      ( fhir:mapping [
fhir:identity [ fhir:v "rim" ] ;
fhir:map [ fhir:v "N/A" ]       ] )     ] [
fhir:id [ fhir:v "Extension.value[x]" ] ;
fhir:path [ fhir:v "Extension.value[x]" ] ;
fhir:short [ fhir:v "Value of extension" ] ;
fhir:definition [ fhir:v "Value of extension - must be one of a constrained set of the data types (see [Extensibility](http://hl7.org/fhir/R5/extensibility.html) for a list)." ] ;
fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ] ;
fhir:base [
fhir:path [ fhir:v "Extension.value[x]" ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ]       ] ;
      ( fhir:type [
fhir:code [ fhir:v "CodeableConcept"^^xsd:anyURI ]       ] ) ;
      ( fhir:condition [ fhir:v "ext-1" ] ) ;
      ( fhir:constraint [
fhir:key [ fhir:v "ele-1" ] ;
fhir:severity [ fhir:v "error" ] ;
fhir:human [ fhir:v "All FHIR elements must have a @value or children" ] ;
fhir:expression [ fhir:v "hasValue() or (children().count() > id.count())" ] ;
fhir:source [
fhir:v "http://hl7.org/fhir/StructureDefinition/Element"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/Element>         ]       ] ) ;
fhir:isModifier [ fhir:v "false"^^xsd:boolean ] ;
fhir:isSummary [ fhir:v "false"^^xsd:boolean ] ;
fhir:binding [
        ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"^^xsd:anyURI ] ;
fhir:value [ fhir:v "AllergyIntoleranceCertainty" ]         ] ) ;
fhir:strength [ fhir:v "extensible" ] ;
fhir:description [ fhir:v "Statement about the degree of clinical certainty that a specific substance was the cause of the manifestation in a reaction event." ] ;
fhir:valueSet [
fhir:v "http://hl7.org/fhir/ValueSet/reaction-event-certainty"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/ValueSet/reaction-event-certainty>         ]       ] ;
      ( fhir:mapping [
fhir:identity [ fhir:v "rim" ] ;
fhir:map [ fhir:v "N/A" ]       ] )     ] )
  ] ; # 
  fhir:differential [
    ( fhir:element [
fhir:id [ fhir:v "Extension" ] ;
fhir:path [ fhir:v "Extension" ] ;
fhir:short [ fhir:v "Certainty that the substance was the cause of the manifestation" ] ;
fhir:definition [ fhir:v "Statement about the degree of clinical certainty that the specific substance was the cause of the manifestation in this reaction event." ] ;
fhir:comment [ fhir:v "When certainty is missing, it means no information exists (although it could be in narrative).  By contrast, the unknown code is used when there is an explicit assertion that certainty is not known, such as when a patient eats a meal and it is unknown which food caused the reaction." ] ;
fhir:min [ fhir:v "0"^^xsd:nonNegativeInteger ] ;
fhir:max [ fhir:v "1" ] ;
      ( fhir:mapping [
fhir:identity [ fhir:v "rim" ] ;
fhir:map [ fhir:v "uncertaintyCode" ]       ] )     ] [
fhir:id [ fhir:v "Extension.extension" ] ;
fhir:path [ fhir:v "Extension.extension" ] ;
fhir:max [ fhir:v "0" ]     ] [
fhir:id [ fhir:v "Extension.url" ] ;
fhir:path [ fhir:v "Extension.url" ] ;
fhir:fixed [ fhir:v "http://hl7.org/fhir/StructureDefinition/allergyintolerance-certainty"^^xsd:anyURI ]     ] [
fhir:id [ fhir:v "Extension.value[x]" ] ;
fhir:path [ fhir:v "Extension.value[x]" ] ;
fhir:min [ fhir:v "1"^^xsd:nonNegativeInteger ] ;
      ( fhir:type [
fhir:code [ fhir:v "CodeableConcept"^^xsd:anyURI ]       ] ) ;
fhir:binding [
        ( fhir:extension [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/elementdefinition-bindingName"^^xsd:anyURI ] ;
fhir:value [ fhir:v "AllergyIntoleranceCertainty" ]         ] ) ;
fhir:strength [ fhir:v "extensible" ] ;
fhir:description [ fhir:v "Statement about the degree of clinical certainty that a specific substance was the cause of the manifestation in a reaction event." ] ;
fhir:valueSet [
fhir:v "http://hl7.org/fhir/ValueSet/reaction-event-certainty"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/ValueSet/reaction-event-certainty>         ]       ]     ] )
  ] . #