<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://example.org/fhir/StructureDefinition/PH_ServiceRequest" />
  <name value="PH_ServiceRequest" />
  <status value="draft" />
  <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.identifier">
      <path value="ServiceRequest.identifier" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.instantiatesCanonical">
      <path value="ServiceRequest.instantiatesCanonical" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.instantiatesUri">
      <path value="ServiceRequest.instantiatesUri" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.basedOn">
      <path value="ServiceRequest.basedOn" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.replaces">
      <path value="ServiceRequest.replaces" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.requisition">
      <path value="ServiceRequest.requisition" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.category">
      <path value="ServiceRequest.category" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.priority">
      <path value="ServiceRequest.priority" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.doNotPerform">
      <path value="ServiceRequest.doNotPerform" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.code">
      <path value="ServiceRequest.code" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.orderDetail">
      <path value="ServiceRequest.orderDetail" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.quantity[x]">
      <path value="ServiceRequest.quantity[x]" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.encounter">
      <path value="ServiceRequest.encounter" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.asNeeded[x]">
      <path value="ServiceRequest.asNeeded[x]" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.authoredOn">
      <path value="ServiceRequest.authoredOn" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.requester">
      <path value="ServiceRequest.requester" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.performerType">
      <path value="ServiceRequest.performerType" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.performer">
      <path value="ServiceRequest.performer" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.locationCode">
      <path value="ServiceRequest.locationCode" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.locationReference">
      <path value="ServiceRequest.locationReference" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.reasonCode">
      <path value="ServiceRequest.reasonCode" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.reasonReference">
      <path value="ServiceRequest.reasonReference" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.insurance">
      <path value="ServiceRequest.insurance" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.supportingInfo">
      <path value="ServiceRequest.supportingInfo" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.specimen">
      <path value="ServiceRequest.specimen" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.bodySite">
      <path value="ServiceRequest.bodySite" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.note">
      <path value="ServiceRequest.note" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.patientInstruction">
      <path value="ServiceRequest.patientInstruction" />
      <max value="0" />
    </element>
    <element id="ServiceRequest.relevantHistory">
      <path value="ServiceRequest.relevantHistory" />
      <max value="0" />
    </element>
  </differential>
</StructureDefinition>