<StructureDefinition xmlns="http://hl7.org/fhir">
  <url value="https://hl7.org/fhir/StructureDefinition/MedHubPatient" />
  <name value="MedHubPatient" />
  <status value="active" />
  <fhirVersion value="4.0.1" />
  <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="system" />
        </discriminator>
        <rules value="open" />
      </slicing>
    </element>
    <element id="Patient.identifier:IDNP">
      <path value="Patient.identifier" />
      <sliceName value="IDNP" />
      <short value="National IDNP of a citizen" />
      <definition value="National IDNP of a citizen." />
      <max value="1" />
    </element>
    <element id="Patient.identifier:IDNP.system">
      <path value="Patient.identifier.system" />
      <min value="1" />
      <fixedUri value="http://medhub.org/id/idnp" />
    </element>
    <element id="Patient.identifier:IDNP.value">
      <path value="Patient.identifier.value" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>