<StructureDefinition xmlns="http://hl7.org/fhir">
  <meta>
    <lastUpdated value="2017-06-01T06:42:40.088-07:00" />
  </meta>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="pa" />
  </extension>
  <url value="&quot;http://healthstack.com/StructureDefinition/HealthStackAppointment" />
  <name value="HealthStackAppointment" />
  <status value="draft" />
  <date value="2017-06-01T06:30:39.2155441-07:00" />
  <fhirVersion value="3.0.0" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Appointment" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Appointment" />
  <derivation value="constraint" />
  <differential>
    <element>
      <path value="Appointment.identifier" />
      <min value="1" />
    </element>
    <element>
      <path value="Appointment.identifier.type.coding.system" />
      <min value="1" />
    </element>
    <element>
      <path value="Appointment.identifier.type.coding.code" />
      <min value="1" />
    </element>
    <element>
      <extension url="http://hl7.org/fhir/StructureDefinition/elementdefinition-translatable">
        <valueBoolean value="true" />
      </extension>
      <path value="Appointment.identifier.type.coding.display" />
      <min value="1" />
    </element>
    <element>
      <path value="Appointment.identifier.system" />
      <min value="1" />
    </element>
    <element>
      <path value="Appointment.identifier.value" />
      <min value="1" />
    </element>
    <element>
      <path value="Appointment.incomingReferral" />
      <min value="1" />
    </element>
  </differential>
</StructureDefinition>