<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="referral-icd10-extension" />
  <url value="https://gematik.de/fhir/isik/v2/Basismodul/StructureDefinition/referral-icd10-extension" />
  <name value="ReferralICD10EXTENSION" />
  <title value="Referral ICD10 EX" />
  <status value="active" />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Element" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension.extension">
      <path value="Extension.extension" />
      <max value="0" />
    </element>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://gematik.de/fhir/isik/v2/Basismodul/StructureDefinition/referral-icd10-extension" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <type>
        <code value="CodeableConcept" />
      </type>
    </element>
    <element id="Extension.value[x].coding">
      <path value="Extension.value[x].coding" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
      <binding>
        <strength value="extensible" />
        <valueSet value="http://terminology.hl7.org/CodeSystem/dmdICD10" />
      </binding>
    </element>
    <element id="Extension.value[x].text">
      <path value="Extension.value[x].text" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>