<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="ckd-patient" />
  <url value="http://example.org/StructureDefinition/ckd-patient" />
  <version value="1.0.0" />
  <name value="CKDPatient" />
  <title value="CKD Patient Profile" />
  <description value="CKD patient profile for TZCH project." />
  <fhirVersion value="5.0.0" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Patient" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Patient" />
  <derivation value="constraint" />
  <differential>
    <element id="Patient.id">
      <path value="Patient.id" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.extension">
      <path value="Patient.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <ordered value="false" />
        <rules value="open" />
      </slicing>
      <min value="1" />
    </element>
    <element id="Patient.extension:vitalStatus">
      <path value="Patient.extension" />
      <sliceName value="vitalStatus" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="http://example.org/StructureDefinition/vital-status" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Patient.identifier">
      <path value="Patient.identifier" />
      <slicing>
        <discriminator>
          <type value="pattern" />
          <path value="system" />
        </discriminator>
        <rules value="open" />
      </slicing>
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.identifier:hospitalId">
      <path value="Patient.identifier" />
      <sliceName value="hospitalId" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.identifier:hospitalId.type">
      <path value="Patient.identifier.type" />
      <patternCodeableConcept>
        <coding>
          <system value="http://terminology.hl7.org/CodeSystem/v2-0203" />
          <code value="MR" />
          <display value="Medical record number" />
        </coding>
      </patternCodeableConcept>
    </element>
    <element id="Patient.identifier:hospitalId.system">
      <path value="Patient.identifier.system" />
      <min value="1" />
      <fixedUri value="http://tzch.org/fhir/NamingSystem/patient-hospital-id" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.identifier:hospitalId.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.active">
      <path value="Patient.active" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.name">
      <path value="Patient.name" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.gender">
      <path value="Patient.gender" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.birthDate">
      <path value="Patient.birthDate" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.deceased[x]">
      <path value="Patient.deceased[x]" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.address">
      <path value="Patient.address" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Patient.managingOrganization">
      <path value="Patient.managingOrganization" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>