<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://dktk.dkfz.de/fhir/StructureDefinition/onco-core-Observation-Ecog" />
  <version value="1.0.0" />
  <name value="Ecog" />
  <status value="active" />
  <description value="Allgemeiner Lesitngszustand nach ECOG. Kanofsky-Werte müssen nach ECOG konvertiert werden" />
  <fhirVersion value="4.0.0" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Observation" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Observation" />
  <derivation value="constraint" />
  <differential>
    <element id="Observation.status">
      <path value="Observation.status" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.category.coding.system">
      <path value="Observation.category.coding.system" />
      <min value="1" />
      <fixedUri value="http://hl7.org/fhir/observation-category" />
    </element>
    <element id="Observation.category.coding.code">
      <path value="Observation.category.coding.code" />
      <min value="1" />
      <fixedCode value="survey" />
    </element>
    <element id="Observation.code">
      <path value="Observation.code" />
      <mustSupport value="true" />
    </element>
    <element id="Observation.code.coding.system">
      <path value="Observation.code.coding.system" />
      <min value="1" />
      <fixedUri value="http://loinc.org" />
    </element>
    <element id="Observation.code.coding.code">
      <path value="Observation.code.coding.code" />
      <min value="1" />
      <fixedCode value="89247-1" />
    </element>
    <element id="Observation.subject">
      <path value="Observation.subject" />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://dktk.dkfz.de/fhir/StructureDefinition/onco-core-Patient-Patient" />
        <targetProfile value="http://dktk.dkfz.de/fhir/StructureDefinition/onco-core-Patient-Pseudonym" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.focus">
      <path value="Observation.focus" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Resource" />
        <targetProfile value="http://dktk.dkfz.de/fhir/StructureDefinition/onco-core-Condition-Primaerdiagnose" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Observation.focus.reference">
      <path value="Observation.focus.reference" />
      <min value="1" />
    </element>
    <element id="Observation.encounter">
      <path value="Observation.encounter" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://dktk.dkfz.de/fhir/StructureDefinition/onco-core-Encounter-Fall" />
      </type>
    </element>
    <element id="Observation.effective[x]">
      <path value="Observation.effective[x]" />
      <short value="Untersuchungsdatum" />
      <definition value="Entspricht dem Datum, an welchem dieses Ereignis befundet wurde" />
      <type>
        <code value="dateTime" />
      </type>
      <mapping>
        <identity value="ADT-GEKID" />
        <map value="Allgemeiner_Leistungszustand" />
        <comment value="Allgemeiner_Leistungszustand" />
      </mapping>
      <mapping>
        <identity value="ISO-11179" />
        <map value="urn:adt:dataelement:67:1" />
        <comment value="urn:adt:dataelement:67:1" />
      </mapping>
    </element>
    <element id="Observation.value[x]">
      <path value="Observation.value[x]" />
      <short value="ECOG" />
      <definition value="Allgemeiner Lesitngszustand nach ECOG" />
      <type>
        <code value="CodeableConcept" />
      </type>
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="http://dktk.dkfz.de/fhir/onco/core/ValueSet/EcogVS" />
      </binding>
      <mapping>
        <identity value="ADT-GEKID" />
        <map value="Allgemeiner_Leistungszustand" />
        <comment value="Allgemeiner_Leistungszustand" />
      </mapping>
      <mapping>
        <identity value="ISO-11179" />
        <map value="urn:adt:dataelement:67:1" />
        <comment value="urn:adt:dataelement:67:1" />
      </mapping>
    </element>
    <element id="Observation.value[x].coding.code">
      <path value="Observation.value[x].coding.code" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>