<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="GEM-ERPEU-EX-MedicinalPackageIdentifier" />
  <url value="https://gematik.de/fhir/erp-eu/StructureDefinition/GEM_ERPEU_EX_MedicinalPackageIdentifier" />
  <version value="1.1.2" />
  <name value="GEM_ERPEU_EX_MedicinalPackageIdentifier" />
  <status value="active" />
  <date value="2026-02-09" />
  <description value="Identifier of a packaged medicinal product refers to a specific pack size of a specific product." />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Medication" />
  </context>
  <context>
    <type value="extension" />
    <expression value="http://hl7.org/fhir/StructureDefinition/Extension" />
  </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/erp-eu/StructureDefinition/GEM_ERPEU_EX_MedicinalPackageIdentifier" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <type>
        <code value="Identifier" />
      </type>
    </element>
    <element id="Extension.value[x].system">
      <path value="Extension.value[x].system" />
      <mustSupport value="true" />
    </element>
    <element id="Extension.value[x].value">
      <path value="Extension.value[x].value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>