Implementation Guide
ePA Medication Service
Version 1.3.5 - release

## Extension: EMPOriginMedicationExtension - TTL Profile

Active as of 2026-03-20

TTL representation of the emp-origin-medication-extension 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/emp-origin-medication-extension> a fhir:StructureDefinition ;
      fhir:nodeRole fhir:treeRoot ;
      fhir:Resource.id [ fhir:value "emp-origin-medication-extension"] ;
      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 emp-origin-medication-extension</b></p><a name=\"emp-origin-medication-extension\"> </a><a name=\"hcemp-origin-medication-extension\"> </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-emp-origin-medication-extension-definitions.html#Extension\" title=\"Erlaubt einem eMP MedicationRequest, auf die ursprünglich verwendete Medication-Instanz zu referenzieren (Ursprung des eMP-Eintrags).\">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\"><a style=\"padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;\" href=\"http://hl7.org/fhir/R4/conformance-rules.html#constraints\" title=\"This element has or is affected by constraints ( epa-no-history-reference )\">C</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=\"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</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\">Origin Medication Reference (eMP)<br class=\"constraint\"/><span title=\"null\" class=\"constraint\">Constraints: </span><span style=\"font-weight:bold\" title=\"Die Referenz darf keine History-Referenz enthalten ('/_history/' ist nicht erlaubt).\" class=\"constraint\">epa-no-history-reference</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_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-emp-origin-medication-extension-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-emp-origin-medication-extension-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\">\"https://gematik.de/fhir/epa-medication/StructureDefinition/emp-origin-medication-extension\"</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_reference.png\" alt=\".\" style=\"background-color: #F7F7F7; background-color: inherit\" title=\"Reference to another Resource\" class=\"hierarchy\"/> <a href=\"StructureDefinition-emp-origin-medication-extension-definitions.html#Extension.value[x]\" title=\"Diese Referenz stellt den Bezug zwischen einem MedicationRequest und der ursprünglichen Medication-Instanz her, die bei der Erstellung des eMP-Eintrags verwendet wurde. Sie dokumentiert den Ursprung (Origin) der Verschreibung und ermöglicht eine eindeutige Rückverfolgbarkeit. Dies ist insbesondere relevant, wenn sich im Verlauf unterschiedliche Medication-Instanzen (z. B. aufgrund von Versionsänderungen, Produktwechsel oder unterschiedlicher Quellkontexte) im eMP finden lassen. \">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\">1..<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=\"http://hl7.org/fhir/R4/references.html\">Reference</a>(<a href=\"http://hl7.org/fhir/R4/medication.html\">Medication</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\">Referenz auf die Ursprungs-Medication (Basis des eMP-Eintrags)</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 "https://gematik.de/fhir/epa-medication/StructureDefinition/emp-origin-medication-extension"] ;
      fhir:StructureDefinition.version [ fhir:value "1.3.1"] ;
      fhir:StructureDefinition.name [ fhir:value "EMPOriginMedicationExtension"] ;
      fhir:StructureDefinition.title [ fhir:value "Origin Medication Reference (eMP)"] ;
      fhir:StructureDefinition.status [ fhir:value "active"] ;
      fhir:StructureDefinition.experimental [ fhir:value "false"^^xsd:boolean] ;
      fhir:StructureDefinition.date [ fhir:value "2026-03-20"^^xsd:date] ;
      fhir:StructureDefinition.publisher [ fhir:value "gematik GmbH"] ;
      fhir:StructureDefinition.contact [
         fhir:index 0 ;
         fhir:ContactDetail.name [ fhir:value "gematik GmbH" ] ;
         fhir:ContactDetail.telecom [
           fhir:index 0 ;
           fhir:ContactPoint.system [ fhir:value "url" ] ;
           fhir:ContactPoint.value [ fhir:value "https://www.gematik.de" ]
         ], [
           fhir:index 1 ;
           fhir:ContactPoint.system [ fhir:value "email" ] ;
           fhir:ContactPoint.value [ fhir:value "patientteam [ at ] gematik.de" ]
         ]
      ] ;
      fhir:StructureDefinition.description [ fhir:value "Erlaubt einem eMP MedicationRequest, auf die ursprünglich verwendete Medication-Instanz zu referenzieren (Ursprung des eMP-Eintrags)."] ;
      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 "DE" ]
         ]
      ] ;
      fhir:StructureDefinition.copyright [ fhir:value "gematik GmbH / Dieses Artefakt ist lizenziert unter [Apache License](./license.html), Version 2.0."] ;
      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 "MedicationRequest" ]
      ] ;
      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: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 "Origin Medication Reference (eMP)" ] ;
           fhir:ElementDefinition.definition [ fhir:value "Erlaubt einem eMP MedicationRequest, auf die ursprünglich verwendete Medication-Instanz zu referenzieren (Ursprung des eMP-Eintrags)." ] ;
           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" ;
               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:index 2 ;
             fhir:ElementDefinition.constraint.key [ fhir:value "epa-no-history-reference" ] ;
             fhir:ElementDefinition.constraint.severity [ fhir:value "error" ] ;
             fhir:ElementDefinition.constraint.human [ fhir:value "Die Referenz darf keine History-Referenz enthalten ('/_history/' ist nicht erlaubt)." ] ;
             fhir:ElementDefinition.constraint.expression [ fhir:value "value.where($this is Reference).reference.exists() implies value.where($this is Reference).reference.contains('/_history/').not()" ] ;
             fhir:ElementDefinition.constraint.source [
               fhir:value "https://gematik.de/fhir/epa-medication/StructureDefinition/emp-origin-medication-extension" ;
               fhir:link <https://gematik.de/fhir/epa-medication/StructureDefinition/emp-origin-medication-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 "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 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 "https://gematik.de/fhir/epa-medication/StructureDefinition/emp-origin-medication-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 4 ;
           fhir:Element.id [ fhir:value "Extension.value[x]" ] ;
           fhir:ElementDefinition.path [ fhir:value "Extension.value[x]" ] ;
           fhir:ElementDefinition.short [ fhir:value "Referenz auf die Ursprungs-Medication (Basis des eMP-Eintrags)" ] ;
           fhir:ElementDefinition.definition [ fhir:value "Diese Referenz stellt den Bezug zwischen einem MedicationRequest und der ursprünglichen Medication-Instanz her, die bei der Erstellung des eMP-Eintrags verwendet wurde. Sie dokumentiert den Ursprung (Origin) der Verschreibung und ermöglicht eine eindeutige Rückverfolgbarkeit. Dies ist insbesondere relevant, wenn sich im Verlauf unterschiedliche Medication-Instanzen (z. B. aufgrund von Versionsänderungen, Produktwechsel oder unterschiedlicher Quellkontexte) im eMP finden lassen. " ] ;
           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 "Reference" ] ;
             fhir:ElementDefinition.type.targetProfile [
               fhir:value "http://hl7.org/fhir/StructureDefinition/Medication" ;
               fhir:index 0 ;
               fhir:link <http://hl7.org/fhir/StructureDefinition/Medication>
             ]
           ] ;
           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 "Origin Medication Reference (eMP)" ] ;
           fhir:ElementDefinition.definition [ fhir:value "Erlaubt einem eMP MedicationRequest, auf die ursprünglich verwendete Medication-Instanz zu referenzieren (Ursprung des eMP-Eintrags)." ] ;
           fhir:ElementDefinition.constraint [
             fhir:index 0 ;
             fhir:ElementDefinition.constraint.key [ fhir:value "epa-no-history-reference" ] ;
             fhir:ElementDefinition.constraint.severity [ fhir:value "error" ] ;
             fhir:ElementDefinition.constraint.human [ fhir:value "Die Referenz darf keine History-Referenz enthalten ('/_history/' ist nicht erlaubt)." ] ;
             fhir:ElementDefinition.constraint.expression [ fhir:value "value.where($this is Reference).reference.exists() implies value.where($this is Reference).reference.contains('/_history/').not()" ] ;
             fhir:ElementDefinition.constraint.source [
               fhir:value "https://gematik.de/fhir/epa-medication/StructureDefinition/emp-origin-medication-extension" ;
               fhir:link <https://gematik.de/fhir/epa-medication/StructureDefinition/emp-origin-medication-extension>
             ]
           ]
         ], [
           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 "https://gematik.de/fhir/epa-medication/StructureDefinition/emp-origin-medication-extension" ]
         ], [
           fhir:index 3 ;
           fhir:Element.id [ fhir:value "Extension.value[x]" ] ;
           fhir:ElementDefinition.path [ fhir:value "Extension.value[x]" ] ;
           fhir:ElementDefinition.short [ fhir:value "Referenz auf die Ursprungs-Medication (Basis des eMP-Eintrags)" ] ;
           fhir:ElementDefinition.definition [ fhir:value "Diese Referenz stellt den Bezug zwischen einem MedicationRequest und der ursprünglichen Medication-Instanz her, die bei der Erstellung des eMP-Eintrags verwendet wurde. Sie dokumentiert den Ursprung (Origin) der Verschreibung und ermöglicht eine eindeutige Rückverfolgbarkeit. Dies ist insbesondere relevant, wenn sich im Verlauf unterschiedliche Medication-Instanzen (z. B. aufgrund von Versionsänderungen, Produktwechsel oder unterschiedlicher Quellkontexte) im eMP finden lassen. " ] ;
           fhir:ElementDefinition.min [ fhir:value "1"^^xsd:nonNegativeInteger ] ;
           fhir:ElementDefinition.type [
             fhir:index 0 ;
             fhir:ElementDefinition.type.code [ fhir:value "Reference" ] ;
             fhir:ElementDefinition.type.targetProfile [
               fhir:value "http://hl7.org/fhir/StructureDefinition/Medication" ;
               fhir:index 0 ;
               fhir:link <http://hl7.org/fhir/StructureDefinition/Medication>
             ]
           ]
         ]
      ] .

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

    <http://hl7.org/fhir/StructureDefinition/emp-origin-medication-extension.ttl> a owl:Ontology ;
      owl:imports fhir:fhir.ttl ;
      owl:versionIRI <http://build.fhir.org/StructureDefinition/emp-origin-medication-extension.ttl> .