<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="TransactionID" />
  <url value="https://demis.rki.de/fhir/StructureDefinition/TransactionID" />
  <version value="1.3.0" />
  <name value="TransactionID" />
  <title value="Transaktions-ID" />
  <status value="active" />
  <date value="2023-10-12" />
  <description value="Die Transaktions-ID dient der Angabe der Referenz auf das Analyse-Ergebnis." />
  <fhirVersion value="4.0.1" />
  <kind value="complex-type" />
  <abstract value="false" />
  <context>
    <type value="element" />
    <expression value="Specimen.processing" />
  </context>
  <type value="Extension" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" />
  <derivation value="constraint" />
  <differential>
    <element id="Extension.url">
      <path value="Extension.url" />
      <fixedUri value="https://demis.rki.de/fhir/StructureDefinition/TransactionID" />
    </element>
    <element id="Extension.value[x]">
      <path value="Extension.value[x]" />
      <short value="Transaktions-ID" />
      <definition value="Transaktions-ID" />
      <type>
        <code value="string" />
      </type>
      <type>
        <code value="Identifier" />
        <profile value="https://demis.rki.de/fhir/StructureDefinition/TransactionIdIdentifier" />
      </type>
      <constraint>
        <key value="checkFormatOfTransactionIdString" />
        <severity value="warning" />
        <human value="Die Transaktion-Id muss dem Format IGS-12345-XYZP-XXXXXXXX-XXXX-XXXX-XXXX-XXXXXXXXXXXX entsprechen." />
        <expression value="$this.is(string) implies $this.as(string).matches('^IGS-[0-9]{5}-[A-Z]{3}P-[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$')" />
      </constraint>
    </element>
  </differential>
</StructureDefinition>