<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ServiceRequest" />
  <url value="https://fhir.centraxx.de/StructureDefinition/ServiceRequest" />
  <version value="2025.4.0" />
  <name value="ServiceRequest" />
  <status value="active" />
  <publisher value="Kairos an IQVIA business" />
  <description value="Represents a CentraXX ServiceRequest." />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="ServiceRequest" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/ServiceRequest" />
  <derivation value="constraint" />
  <differential>
    <element id="ServiceRequest.extension">
      <path value="ServiceRequest.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="2" />
      <max value="4" />
      <type>
        <code value="Extension" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.extension:updateWithOverwrite">
      <path value="ServiceRequest.extension" />
      <sliceName value="updateWithOverwrite" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/updateWithOverwrite" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.extension:status">
      <path value="ServiceRequest.extension" />
      <sliceName value="status" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/serviceRequest/status" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.extension:requester">
      <path value="ServiceRequest.extension" />
      <sliceName value="requester" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/serviceRequest/requester" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.extension:laborMappings">
      <path value="ServiceRequest.extension" />
      <sliceName value="laborMappings" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/serviceRequest/laborMappings" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.identifier">
      <path value="ServiceRequest.identifier" />
      <slicing>
        <discriminator>
          <type value="exists" />
          <path value="type" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="1" />
      <max value="*" />
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.identifier:requestId">
      <path value="ServiceRequest.identifier" />
      <sliceName value="requestId" />
      <min value="1" />
      <max value="1" />
      <constraint>
        <key value="sre-cxx-1" />
        <severity value="error" />
        <human value="ServiceRequest must consist of numbers only" />
        <expression value="value.matches('^[0-9]+$')" />
        <source value="https://fhir.centraxx.de/StructureDefinition/ServiceRequest" />
      </constraint>
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.identifier:requestId.type">
      <path value="ServiceRequest.identifier.type" />
      <min value="0" />
      <max value="0" />
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.identifier:requestId.system">
      <path value="ServiceRequest.identifier.system" />
      <min value="1" />
      <max value="1" />
      <fixedString value="https://fhir.centraxx.de/system/serviceRequest/requestId" />
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.identifier:requestId.value">
      <path value="ServiceRequest.identifier.value" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.identifier:idContainerType">
      <path value="ServiceRequest.identifier" />
      <sliceName value="idContainerType" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Identifier" />
        <profile value="https://fhir.centraxx.de/StructureDefinition/IdContainerType" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.status">
      <path value="ServiceRequest.status" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.intent">
      <path value="ServiceRequest.intent" />
      <min value="1" />
      <fixedString value="order" />
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.category">
      <path value="ServiceRequest.category" />
      <min value="1" />
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="https://fhir.centraxx.de/valueSet/serviceRequest/type" />
      </binding>
    </element>
    <element id="ServiceRequest.subject">
      <path value="ServiceRequest.subject" />
      <comment value="A CXX service request does not have a patient reference yet." />
      <min value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Patient" />
      </type>
      <fixedReference>
        <reference value="Patient/notexisting" />
      </fixedReference>
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.occurrence[x]">
      <path value="ServiceRequest.occurrence[x]" />
      <type>
        <code value="dateTime" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.authoredOn">
      <path value="ServiceRequest.authoredOn" />
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.performer">
      <path value="ServiceRequest.performer" />
      <min value="0" />
      <max value="2" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Organization" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Person" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.supportingInfo">
      <path value="ServiceRequest.supportingInfo" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/ResearchStudy" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Organization" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/DocumentReference" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.specimen">
      <path value="ServiceRequest.specimen" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Specimen" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.note">
      <path value="ServiceRequest.note" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="ServiceRequest.note.text">
      <path value="ServiceRequest.note.text" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>