<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="BARSServiceRequest-request-validation" />
  <url value="https://fhir.nhs.uk/StructureDefinition/BARSServiceRequest-request-validation" />
  <version value="1.0.3" />
  <name value="BARSServiceRequestRequestValidation" />
  <title value="BARS ServiceRequest-Request Validation" />
  <status value="active" />
  <date value="2025-02-18" />
  <description value="BARS ServiceRequest-request Validation profile" />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="ServiceRequest" />
  <baseDefinition value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-ServiceRequest" />
  <derivation value="constraint" />
  <differential>
    <element id="ServiceRequest.intent">
      <path value="ServiceRequest.intent" />
      <fixedCode value="plan" />
    </element>
    <element id="ServiceRequest.category">
      <path value="ServiceRequest.category" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="ServiceRequest.subject">
      <path value="ServiceRequest.subject" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.hl7.org.uk/StructureDefinition/UKCore-Patient" />
      </type>
    </element>
    <element id="ServiceRequest.encounter">
      <path value="ServiceRequest.encounter" />
      <comment value="Encounter context" />
    </element>
    <element id="ServiceRequest.occurrence[x]">
      <path value="ServiceRequest.occurrence[x]" />
      <comment value="Validation Breach Time/Call back breach time" />
      <type>
        <code value="Period" />
      </type>
    </element>
    <element id="ServiceRequest.occurrence[x].start">
      <path value="ServiceRequest.occurrence[x].start" />
      <min value="1" />
    </element>
    <element id="ServiceRequest.occurrence[x].end">
      <path value="ServiceRequest.occurrence[x].end" />
      <min value="1" />
    </element>
    <element id="ServiceRequest.authoredOn">
      <path value="ServiceRequest.authoredOn" />
      <comment value="ReferralDateTime" />
    </element>
    <element id="ServiceRequest.requester">
      <path value="ServiceRequest.requester" />
      <comment value="Participant" />
    </element>
    <element id="ServiceRequest.requester.reference">
      <path value="ServiceRequest.requester.reference" />
      <comment value="Organisation" />
    </element>
    <element id="ServiceRequest.requester.type">
      <path value="ServiceRequest.requester.type" />
      <comment value="Service" />
    </element>
    <element id="ServiceRequest.performer">
      <path value="ServiceRequest.performer" />
      <comment value="Referral To" />
    </element>
    <element id="ServiceRequest.locationReference">
      <path value="ServiceRequest.locationReference" />
      <comment value="Incident location" />
    </element>
    <element id="ServiceRequest.reasonCode">
      <path value="ServiceRequest.reasonCode" />
      <comment value="Reason for referral/Next activity/Clinical Urgency of Referral" />
    </element>
    <element id="ServiceRequest.reasonCode.coding">
      <path value="ServiceRequest.reasonCode.coding" />
      <comment value="Proprietary Triage Outcome code system" />
    </element>
    <element id="ServiceRequest.reasonReference">
      <path value="ServiceRequest.reasonReference" />
      <comment value="Chief concern" />
    </element>
    <element id="ServiceRequest.supportingInfo">
      <path value="ServiceRequest.supportingInfo" />
      <comment value="Rejected Services/patient choice (QuestionnaireResponse), Secondary concern (Condition)" />
    </element>
  </differential>
</StructureDefinition>