<StructureDefinition xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://hl7.org/fhir">
  <url value="http://dktk.dkfz.de/fhir/StructureDefinition/onco-core-Extension-Specimen" />
  <version value="0.9.0" />
  <name value="Specimen" />
  <status value="active" />
  <date value="2019-07-01" />
  <publisher value="DKTK" />
  <description value="Extension: eine Referenz zum Biomaterial" />
  <fhirVersion value="4.0.0" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Condition" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension">
      <path value="Extension" />
      <short value="Referenz zur Probe" />
      <definition value="Referenz zur Probe/Specimen (GBA-Profil)" />
      <min value="0" />
      <max value="*" />
    </element>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <min value="0" />
      <max value="0" />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <type>
        <code value="uri" />
      </type>
      <fixedUri value="http://dktk.dkfz.de/fhir/StructureDefinition/onco-core-Extension-Specimen" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.bbmri.de/StructureDefinition/Specimen" />
        <aggregation value="referenced" />
      </type>
    </element>
  </differential>
</StructureDefinition>