<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://sanita.toscana.it/fhir/StructureDefinition/ServiceRequest_RT" />
  <name value="ServiceRequest_RT" />
  <status value="draft" />
  <date value="2022-06-29T14:02:53.4969128+00:00" />
  <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.requisition">
      <path value="ServiceRequest.requisition" />
      <definition value="Identificativo associato alla richiesta strumentale" />
    </element>
    <element id="ServiceRequest.status">
      <path value="ServiceRequest.status" />
      <definition value="Intento associato alla richiesta" />
    </element>
    <element id="ServiceRequest.intent">
      <path value="ServiceRequest.intent" />
      <definition value="Intento associato alla richiesta" />
    </element>
    <element id="ServiceRequest.code">
      <path value="ServiceRequest.code" />
      <definition value="Codice che identifica la prestazione strumentale richiesta" />
    </element>
    <element id="ServiceRequest.subject">
      <path value="ServiceRequest.subject" />
      <definition value="L'elemento contiene il riferimento al paziente legato alla diagnosi" />
      <type>
        <code value="Reference" />
        <targetProfile value="http://hl7.org/fhir/StructureDefinition/Patient" />
      </type>
    </element>
    <element id="ServiceRequest.subject.identifier">
      <path value="ServiceRequest.subject.identifier" />
      <constraint>
        <key value="key-1" />
        <severity value="error" />
        <human value="Verifica system Patient aur o cur" />
        <expression value="exists(system = 'http://sanita.toscana.it/aur' or system = 'http://sanita.toscana.it/cur')" />
        <source value="https://sanita.toscana.it/fhir/StructureDefinition/ServiceRequest_RT" />
      </constraint>
    </element>
    <element id="ServiceRequest.subject.identifier.system">
      <path value="ServiceRequest.subject.identifier.system" />
      <constraint>
        <key value="key-1" />
        <severity value="error" />
        <human value="Verifica system Patient aur o cur" />
        <expression value="(contains('http://sanita.toscana.it/aur') or contains('http://sanita.toscana.it/cur'))" />
        <source value="https://example.org/fhir/StructureDefinition/ServiceRequest_RT" />
      </constraint>
    </element>
    <element id="ServiceRequest.note">
      <path value="ServiceRequest.note" />
      <definition value="Commenti e note associate alla richiesta" />
    </element>
  </differential>
</StructureDefinition>