# Common Components FHIR Implementation Guide

26.0.0 - Trial

Common Components FHIR Implementation Guide, published by Australian Digital Health Agency. This guide is not an authorized publication; it is the continuous build for version 26.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/AuDigitalHealth/common-components/ and changes regularly. See the Directory of published versions

## Extension: Source_CDA_Document_Identifier - TTL Profile

Draft as of 2026-07-14

TTL representation of the source-cda-document-identifier 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 -------------------------------------------------------------------

    <http://hl7.org/fhir/StructureDefinition/source-cda-document-identifier> a fhir:StructureDefinition ;
      fhir:nodeRole fhir:treeRoot ;
      fhir:Resource.id [ fhir:value "source-cda-document-identifier"] ;
      fhir:DomainResource.text [
         fhir:Narrative.status [ fhir:value "extensions" ] ;
         fhir:Narrative.div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: StructureDefinition source-cda-document-identifier</b></p><a name=\"source-cda-document-identifier\"> </a><a name=\"hcsource-cda-document-identifier\"> </a><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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" 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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" 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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" class=\"hierarchy\"><a href=\"https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views\" title=\"Minimum and Maximum # of times the element can appear in the instance\">Card.</a></th><th style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; 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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px\" 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, \" 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 : var(--ig-left,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-source-cda-document-identifier-definitions.html#Extension\" title=\"The instance identifier of the source CDA clinical document from which this FHIR resource was derived. Carries the `/ClinicalDocument/id` value to preserve source document provenance in a FHIR context.\">Extension</a><a name=\"Extension\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,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(4.0.1)</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Source CDA Document Identifier</td></tr>#xD;\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : var(--ig-left,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\"/> <a style=\"text-decoration:line-through; text-decoration:line-through\" href=\"StructureDefinition-source-cda-document-identifier-definitions.html#Extension.extension\">extension</a><a name=\"Extension.extension\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"font-style: italic\">Extension</span></td></tr>#xD;\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white\"><td style=\"vertical-align: top; text-align : var(--ig-left,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-source-cda-document-identifier-definitions.html#Extension.url\">url</a><a name=\"Extension.url\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a style=\"opacity: 0.5; opacity: 0.5\" href=\"http://hl7.org/fhir/R4/datatypes.html#uri\">uri</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><span style=\"color: darkgreen\">\"http://digitalhealth.gov.au/fhir/cc/StructureDefinition/source-cda-document-identifier\"</span></td></tr>#xD;\n<tr style=\"border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7\"><td style=\"vertical-align: top; text-align : var(--ig-left,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-source-cda-document-identifier-definitions.html#Extension.value[x]\" title=\"The instance identifier of the source CDA clinical document. Maps from /ClinicalDocument/id with @root expressed as urn:oid:{root} in identifier.value (system = urn:ietf:rfc:3986), and the PCEHR repository OID and display name in identifier.assigner.\">value[x]</a><a name=\"Extension.value_x_\"> </a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"/><td style=\"vertical-align: top; text-align : var(--ig-left,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 : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\"><a href=\"StructureDefinition-cda-instance-identifier.html\" title=\"Identifier\">CDA_Instance_Identifier(26.0.0)</a></td><td style=\"vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px\" class=\"hierarchy\">Source CDA document identifier</td></tr>#xD;\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, \" alt=\"doco\" style=\"background-color: inherit\"/> Documentation for this format</a></td></tr></table></div>"
      ] ;
      fhir:StructureDefinition.url [ fhir:value "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/source-cda-document-identifier"] ;
      fhir:StructureDefinition.version [ fhir:value "26.0.0"] ;
      fhir:StructureDefinition.name [ fhir:value "Source_CDA_Document_Identifier"] ;
      fhir:StructureDefinition.title [ fhir:value "Source CDA Document Identifier"] ;
      fhir:StructureDefinition.status [ fhir:value "draft"] ;
      fhir:StructureDefinition.experimental [ fhir:value "false"^^xsd:boolean] ;
      fhir:StructureDefinition.date [ fhir:value "2026-07-14T04:17:55+00:00"^^xsd:dateTime] ;
      fhir:StructureDefinition.publisher [ fhir:value "Australian Digital Health Agency"] ;
      fhir:StructureDefinition.contact [
         fhir:index 0 ;
         fhir:ContactDetail.name [ fhir:value "Australian Digital Health Agency" ] ;
         fhir:ContactDetail.telecom [
           fhir:index 0 ;
           fhir:ContactPoint.system [ fhir:value "url" ] ;
           fhir:ContactPoint.value [ fhir:value "https://www.digitalhealth.gov.au/" ]
         ], [
           fhir:index 1 ;
           fhir:ContactPoint.system [ fhir:value "email" ] ;
           fhir:ContactPoint.value [ fhir:value "help@digitalhealth.gov.au" ]
         ]
      ], [
         fhir:index 1 ;
         fhir:ContactDetail.name [ fhir:value "Australian Digital Health Agency" ] ;
         fhir:ContactDetail.telecom [
           fhir:index 0 ;
           fhir:ContactPoint.system [ fhir:value "email" ] ;
           fhir:ContactPoint.value [ fhir:value "mailto:help@digitalhealth.gov.au" ] ;
           fhir:ContactPoint.use [ fhir:value "work" ]
         ]
      ] ;
      fhir:StructureDefinition.description [ fhir:value "The instance identifier of the source CDA clinical document from which this FHIR resource was derived. Carries the `/ClinicalDocument/id` value to preserve source document provenance in a FHIR context."] ;
      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 "AU" ] ;
           fhir:Coding.display [ fhir:value "Australia" ]
         ]
      ] ;
      fhir:StructureDefinition.purpose [ fhir:value "The purpose of this extension is to record the source CDA document instance identifier on FHIR resources derived from CDA, enabling traceability back to the originating clinical document without conflating provenance with the resource's own business identifiers."] ;
      fhir:StructureDefinition.copyright [ fhir:value "This content is licensed under a Creative Commons Attribution 4.0 International License. See [https://creativecommons.org/licenses/by/4.0/](https://creativecommons.org/licenses/by/4.0/)"] ;
      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 "MedicationDispense" ]
      ], [
         fhir:index 1 ;
         fhir:StructureDefinition.context.type [ fhir:value "element" ] ;
         fhir:StructureDefinition.context.expression [ fhir:value "MedicationRequest" ]
      ] ;
      fhir:StructureDefinition.type [ fhir:value "Extension"] ;
      fhir:StructureDefinition.baseDefinition [
         fhir:value "http://hl7.org/fhir/StructureDefinition/Extension|4.0.1" ;
         fhir:link <http://hl7.org/fhir/StructureDefinition/Extension|4.0.1>
      ] ;
      fhir:StructureDefinition.derivation [ fhir:value "constraint"] ;
      fhir:StructureDefinition.snapshot [
         fhir:Element.extension [
           fhir:index 0 ;
           fhir:Extension.url [ fhir:value "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version" ] ;
           fhir:Extension.valueString [ fhir:value "4.0.1" ]
         ] ;
         fhir:StructureDefinition.snapshot.element [
           fhir:index 0 ;
           fhir:Element.id [ fhir:value "Extension" ] ;
           fhir:ElementDefinition.path [ fhir:value "Extension" ] ;
           fhir:ElementDefinition.short [ fhir:value "Source CDA Document Identifier" ] ;
           fhir:ElementDefinition.definition [ fhir:value "The instance identifier of the source CDA clinical document from which this FHIR resource was derived. Carries the `/ClinicalDocument/id` value to preserve source document provenance in a FHIR context." ] ;
           fhir:ElementDefinition.min [ fhir:value "0"^^xsd:nonNegativeInteger ] ;
           fhir:ElementDefinition.max [ fhir:value "*" ] ;
           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|4.0.1" ;
               fhir:link <http://hl7.org/fhir/StructureDefinition/Element|4.0.1>
             ]
           ], [
             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|4.0.1" ;
               fhir:link <http://hl7.org/fhir/StructureDefinition/Extension|4.0.1>
             ]
           ] ;
           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 "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|4.0.1" ;
               fhir:link <http://hl7.org/fhir/StructureDefinition/Element|4.0.1>
             ]
           ], [
             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|4.0.1" ;
               fhir:link <http://hl7.org/fhir/StructureDefinition/Extension|4.0.1>
             ]
           ] ;
           fhir:ElementDefinition.isModifier [ fhir:value "false"^^xsd:boolean ] ;
           fhir:ElementDefinition.isSummary [ fhir:value "false"^^xsd:boolean ]
         ], [
           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: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://digitalhealth.gov.au/fhir/cc/StructureDefinition/source-cda-document-identifier" ] ;
           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 "Source CDA document identifier" ] ;
           fhir:ElementDefinition.definition [ fhir:value "The instance identifier of the source CDA clinical document. Maps from /ClinicalDocument/id with @root expressed as urn:oid:{root} in identifier.value (system = urn:ietf:rfc:3986), and the PCEHR repository OID and display name in identifier.assigner." ] ;
           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 "Identifier" ] ;
             fhir:ElementDefinition.type.profile [
               fhir:value "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/cda-instance-identifier|26.0.0" ;
               fhir:index 0 ;
               fhir:link <http://digitalhealth.gov.au/fhir/cc/StructureDefinition/cda-instance-identifier|26.0.0>
             ]
           ] ;
           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|4.0.1" ;
               fhir:link <http://hl7.org/fhir/StructureDefinition/Element|4.0.1>
             ]
           ] ;
           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 "Source CDA Document Identifier" ] ;
           fhir:ElementDefinition.definition [ fhir:value "The instance identifier of the source CDA clinical document from which this FHIR resource was derived. Carries the `/ClinicalDocument/id` value to preserve source document provenance in a FHIR context." ]
         ], [
           fhir:index 1 ;
           fhir:Element.id [ fhir:value "Extension.extension" ] ;
           fhir:ElementDefinition.path [ fhir:value "Extension.extension" ] ;
           fhir:ElementDefinition.max [ fhir:value "0" ]
         ], [
           fhir:index 2 ;
           fhir:Element.id [ fhir:value "Extension.url" ] ;
           fhir:ElementDefinition.path [ fhir:value "Extension.url" ] ;
           fhir:ElementDefinition.fixedUri [ fhir:value "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/source-cda-document-identifier" ]
         ], [
           fhir:index 3 ;
           fhir:Element.id [ fhir:value "Extension.value[x]" ] ;
           fhir:ElementDefinition.path [ fhir:value "Extension.value[x]" ] ;
           fhir:ElementDefinition.short [ fhir:value "Source CDA document identifier" ] ;
           fhir:ElementDefinition.definition [ fhir:value "The instance identifier of the source CDA clinical document. Maps from /ClinicalDocument/id with @root expressed as urn:oid:{root} in identifier.value (system = urn:ietf:rfc:3986), and the PCEHR repository OID and display name in identifier.assigner." ] ;
           fhir:ElementDefinition.type [
             fhir:index 0 ;
             fhir:ElementDefinition.type.code [ fhir:value "Identifier" ] ;
             fhir:ElementDefinition.type.profile [
               fhir:value "http://digitalhealth.gov.au/fhir/cc/StructureDefinition/cda-instance-identifier|26.0.0" ;
               fhir:index 0 ;
               fhir:link <http://digitalhealth.gov.au/fhir/cc/StructureDefinition/cda-instance-identifier|26.0.0>
             ]
           ]
         ]
      ] .

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

    <http://hl7.org/fhir/StructureDefinition/source-cda-document-identifier.ttl> a owl:Ontology ;
      owl:imports fhir:fhir.ttl ;
      owl:versionIRI <http://build.fhir.org/StructureDefinition/source-cda-document-identifier.ttl> .