<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="http://example.org/fhir/StructureDefinition/RWEPatient" />
  <name value="RWEPatient" />
  <status value="draft" />
  <fhirVersion value="4.0.1" />
  <mapping>
    <identity value="rim" />
    <uri value="http://hl7.org/v3" />
    <name value="RIM Mapping" />
  </mapping>
  <mapping>
    <identity value="cda" />
    <uri value="http://hl7.org/v3/cda" />
    <name value="CDA (R2)" />
  </mapping>
  <mapping>
    <identity value="w5" />
    <uri value="http://hl7.org/fhir/fivews" />
    <name value="FiveWs Pattern Mapping" />
  </mapping>
  <mapping>
    <identity value="v2" />
    <uri value="http://hl7.org/v2" />
    <name value="HL7 v2 Mapping" />
  </mapping>
  <mapping>
    <identity value="loinc" />
    <uri value="http://loinc.org" />
    <name value="LOINC code for the element" />
  </mapping>
  <kind value="resource" />
  <abstract value="false" />
  <type value="Patient" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Patient" />
  <derivation value="constraint" />
  <differential>
    <element id="Patient.identifier">
      <path value="Patient.identifier" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="type.coding.code" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <mustSupport value="true" />
    </element>
    <element id="Patient.identifier.system">
      <path value="Patient.identifier.system" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.identifier.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
    </element>
    <element id="Patient.identifier.assigner">
      <path value="Patient.identifier.assigner" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.identifier:USUBJID">
      <path value="Patient.identifier" />
      <sliceName value="USUBJID" />
      <min value="1" />
      <max value="1" />
      <patternIdentifier>
        <type>
          <coding>
            <system value="http://example.org/fhir/ValueSet/identifier-type-FDA" />
            <code value="USUBJID" />
            <display value="USUBJID" />
          </coding>
        </type>
      </patternIdentifier>
      <mustSupport value="true" />
    </element>
    <element id="Patient.identifier:USUBJID.type">
      <path value="Patient.identifier.type" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.identifier:USUBJID.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.identifier:SUBJID">
      <path value="Patient.identifier" />
      <sliceName value="SUBJID" />
      <comment value="The cardinality of this identifier slice may be increased to 1..1 if the FDA determines that SUBJID should be present for all patients in trials that are completed on RWE" />
      <max value="1" />
      <patternIdentifier>
        <system value="http://example.org/fhir/ValueSet/identifier-type-FDA" />
        <value value="SUBJID" />
      </patternIdentifier>
    </element>
    <element id="Patient.identifier:SUBJID.type">
      <path value="Patient.identifier.type" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.identifier:SUBJID.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>