<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta />
  <url value="http://someurl/today/CustomPatient" />
  <version value="1" />
  <name value="CustomPatient" />
  <status value="draft" />
  <date value="2018-03-27T13:21:58.273+01:00" />
  <description value="Custom defined patient intended for exercise use only." />
  <fhirVersion value="3.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Patient" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Patient" />
  <derivation value="constraint" />
  <snapshot />
  <differential>
    <element id="Patient.identifier">
      <path value="Patient.identifier" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="system" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="Patient.identifier:nationalID">
      <path value="Patient.identifier" />
      <sliceName value="nationalID" />
      <min value="1" />
      <max value="1" />
    </element>
    <element id="Patient.identifier:nationalID.system">
      <path value="Patient.identifier.system" />
      <min value="1" />
      <fixedUri value="http://someidsystem/nationalID" />
    </element>
    <element id="Patient.identifier:nationalID.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
    </element>
    <element id="Patient.identifier:hospitalID">
      <path value="Patient.identifier" />
      <sliceName value="hospitalID" />
      <max value="1" />
    </element>
    <element id="Patient.identifier:hospitalID.system">
      <path value="Patient.identifier.system" />
      <min value="1" />
      <fixedUri value="http://someidsystem/hospitalID" />
    </element>
    <element id="Patient.identifier:hospitalID.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
    </element>
    <element id="Patient.name.family">
      <path value="Patient.name.family" />
      <min value="1" />
    </element>
    <element id="Patient.name.given">
      <path value="Patient.name.given" />
      <min value="1" />
    </element>
    <element id="Patient.gender">
      <path value="Patient.gender" />
      <min value="1" />
    </element>
    <element id="Patient.birthDate">
      <path value="Patient.birthDate" />
      <min value="1" />
    </element>
    <element id="Patient.birthDate.extension">
      <path value="Patient.birthDate.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Patient.birthDate.extension:MybirthtimeExtension">
      <path value="Patient.birthDate.extension" />
      <sliceName value="MybirthtimeExtension" />
      <short value="The time of day that the Patient was born. This includes the date to ensure that the timezone information can be communicated effectively." />
      <definition value="The time of day that the Patient was born. This includes the date to ensure that the timezone information can be communicated effectively." />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://hl7.org/fhir/StructureDefinition/patient-birthTime" />
      </type>
    </element>
    <element id="Patient.communication.extension">
      <path value="Patient.communication.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Patient.communication.extension:MyExtension">
      <path value="Patient.communication.extension" />
      <sliceName value="MyExtension" />
      <short value="Optional Extensions Element" />
      <definition value="Optional Extension Element - found in all resources." />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Extension" />
        <profile value="http://someurl/languageExtension" />
      </type>
    </element>
  </differential>
</StructureDefinition>