<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://fhir.nhs.uk/StructureDefinition/NHSDigital-ServiceRequest-PatientCare" />
  <name value="NHSDigitalServiceRequestPatientCare" />
  <status value="draft" />
  <purpose value="Profile on NHSDigital-ServiceRequest for NHS App/e-RS PatientCare" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="ServiceRequest" />
  <baseDefinition value="https://fhir.nhs.uk/StructureDefinition/NHSDigital-ServiceRequest" />
  <derivation value="constraint" />
  <differential>
    <element id="ServiceRequest">
      <path value="ServiceRequest" />
      <definition value="A constaint profile for use in NHS Patient Wayfinder" />
    </element>
    <element id="ServiceRequest.extension">
      <path value="ServiceRequest.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="3" />
    </element>
    <element id="ServiceRequest.extension:ERSServiceRequestState">
      <path value="ServiceRequest.extension" />
      <sliceName value="ERSServiceRequestState" />
      <min value="1" />
    </element>
    <element id="ServiceRequest.extension:ERSServiceRequestState.extension">
      <path value="ServiceRequest.extension.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="ServiceRequest.extension:ERSServiceRequestState.extension:state">
      <path value="ServiceRequest.extension.extension" />
      <sliceName value="state" />
      <min value="1" />
    </element>
    <element id="ServiceRequest.extension:portalLink">
      <path value="ServiceRequest.extension" />
      <sliceName value="portalLink" />
      <min value="1" />
    </element>
    <element id="ServiceRequest.extension:serviceRequestPriority">
      <path value="ServiceRequest.extension" />
      <sliceName value="serviceRequestPriority" />
      <min value="1" />
    </element>
    <element id="ServiceRequest.identifier:UBRN">
      <path value="ServiceRequest.identifier" />
      <sliceName value="UBRN" />
      <min value="1" />
    </element>
    <element id="ServiceRequest.priority">
      <path value="ServiceRequest.priority" />
      <min value="1" />
    </element>
    <element id="ServiceRequest.subject.identifier">
      <path value="ServiceRequest.subject.identifier" />
      <min value="1" />
    </element>
    <element id="ServiceRequest.authoredOn">
      <path value="ServiceRequest.authoredOn" />
      <min value="1" />
    </element>
    <element id="ServiceRequest.requester.reference">
      <path value="ServiceRequest.requester.reference" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>