<StructureDefinition xmlns="http://hl7.org/fhir">
  <id value="Appointment" />
  <url value="https://fhir.centraxx.de/StructureDefinition/Appointment" />
  <version value="2025.4.0" />
  <name value="Appointment" />
  <status value="active" />
  <publisher value="Kairos an IQVIA business" />
  <description value="Represents a CentraXX calender event of the CTMS (with study context) or of the hotline module. Hotline events can be used as common patient appointments." />
  <fhirVersion value="4.0.1" />
  <kind value="resource" />
  <abstract value="false" />
  <type value="Appointment" />
  <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Appointment" />
  <derivation value="constraint" />
  <differential>
    <element id="Appointment.extension">
      <path value="Appointment.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Extension" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:updateWithOverwrite">
      <path value="Appointment.extension" />
      <sliceName value="updateWithOverwrite" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/updateWithOverwrite" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:allDay">
      <path value="Appointment.extension" />
      <sliceName value="allDay" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/allDay" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:department">
      <path value="Appointment.extension" />
      <sliceName value="department" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/department" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:drg">
      <path value="Appointment.extension" />
      <sliceName value="drg" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/drg" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:location">
      <path value="Appointment.extension" />
      <sliceName value="location" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/location" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:stayType">
      <path value="Appointment.extension" />
      <sliceName value="stayType" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/stayType" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:studyCenter">
      <path value="Appointment.extension" />
      <sliceName value="studyCenter" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/studyCenter" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:studyVisitTemplate">
      <path value="Appointment.extension" />
      <sliceName value="studyVisitTemplate" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/studyVisitTemplate" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:visible">
      <path value="Appointment.extension" />
      <sliceName value="visible" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/visible" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:attachment">
      <path value="Appointment.extension" />
      <sliceName value="attachment" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/attachment" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:recurrence">
      <path value="Appointment.extension" />
      <sliceName value="recurrence" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/recurrence" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:videoCallLinkAuthor">
      <path value="Appointment.extension" />
      <sliceName value="videoCallLinkAuthor" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/vcLinkAuthor" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.extension:videoCallLinkParticipant">
      <path value="Appointment.extension" />
      <sliceName value="videoCallLinkParticipant" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/vcLinkParticipant" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.identifier">
      <path value="Appointment.identifier" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.identifier.system">
      <path value="Appointment.identifier.system" />
      <min value="1" />
      <fixedString value="https://fhir.centraxx.de/system/calendar/eventId" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.identifier.value">
      <path value="Appointment.identifier.value" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.status">
      <path value="Appointment.status" />
      <min value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.serviceCategory">
      <path value="Appointment.serviceCategory" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
      <binding>
        <strength value="required" />
        <valueSet value="https://fhir.centraxx.de/valueSet/calendar/type" />
      </binding>
    </element>
    <element id="Appointment.description">
      <path value="Appointment.description" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.supportingInformation">
      <path value="Appointment.supportingInformation" />
      <min value="0" />
      <max value="5" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Binary" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/ResearchStudy" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Encounter" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/StudyMember" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Communication" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.start">
      <path value="Appointment.start" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.end">
      <path value="Appointment.end" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.patientInstruction">
      <path value="Appointment.patientInstruction" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant">
      <path value="Appointment.participant" />
      <slicing>
        <discriminator>
          <type value="pattern" />
          <path value="type" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="1" />
      <max value="*" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:creator">
      <path value="Appointment.participant" />
      <sliceName value="creator" />
      <min value="1" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:creator.type">
      <path value="Appointment.participant.type" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.centraxx.de/system/calendar/participantType" />
          <code value="CREATOR" />
          <display value="CREATOR" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:creator.actor">
      <path value="Appointment.participant.actor" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Person" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:creator.status">
      <path value="Appointment.participant.status" />
      <min value="1" />
      <max value="1" />
      <fixedString value="accepted" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:patient">
      <path value="Appointment.participant" />
      <sliceName value="patient" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:patient.type">
      <path value="Appointment.participant.type" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.centraxx.de/system/calendar/participantType" />
          <code value="PATIENT" />
          <display value="PATIENT" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:patient.actor">
      <path value="Appointment.participant.actor" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Patient" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:patient.status">
      <path value="Appointment.participant.status" />
      <min value="1" />
      <max value="1" />
      <fixedString value="accepted" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:attendingDoctor">
      <path value="Appointment.participant" />
      <sliceName value="attendingDoctor" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:attendingDoctor.type">
      <path value="Appointment.participant.type" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.centraxx.de/system/calendar/participantType" />
          <code value="ATTENDING_DOCTOR" />
          <display value="ATTENDING_DOCTOR" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:attendingDoctor.actor">
      <path value="Appointment.participant.actor" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Practitioner" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:attendingDoctor.status">
      <path value="Appointment.participant.status" />
      <min value="1" />
      <max value="1" />
      <fixedString value="accepted" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:invitationParticipant">
      <path value="Appointment.participant" />
      <sliceName value="invitationParticipant" />
      <min value="0" />
      <max value="*" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:invitationParticipant.extension">
      <path value="Appointment.participant.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:invitationParticipant.extension:invitationStatus:invitationStatus">
      <path value="Appointment.participant.extension" />
      <sliceName value="invitationStatus" />
      <min value="0" />
      <max value="*" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/invitationStatus" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:invitationParticipant.type">
      <path value="Appointment.participant.type" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.centraxx.de/system/calendar/participantType" />
          <code value="INVITATION_PARTICIPANT" />
          <display value="INVITATION_PARTICIPANT" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:invitationParticipant.actor">
      <path value="Appointment.participant.actor" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Reference" />
        <targetProfile value="https://fhir.centraxx.de/StructureDefinition/Person" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:invitationParticipant.status">
      <path value="Appointment.participant.status" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:invitationResource">
      <path value="Appointment.participant" />
      <sliceName value="invitationResource" />
      <min value="0" />
      <max value="*" />
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:invitationResource.extension">
      <path value="Appointment.participant.extension" />
      <slicing>
        <discriminator>
          <type value="value" />
          <path value="url" />
        </discriminator>
        <rules value="closed" />
      </slicing>
      <min value="1" />
      <max value="2" />
      <type>
        <code value="Extension" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:invitationResource.extension:invitationStatus:invitationStatus">
      <path value="Appointment.participant.extension" />
      <sliceName value="invitationStatus" />
      <min value="0" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/invitationStatus" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:invitationResource.extension:invitationResource:invitationResource">
      <path value="Appointment.participant.extension" />
      <sliceName value="invitationResource" />
      <min value="1" />
      <max value="1" />
      <type>
        <code value="Extension" />
        <profile value="https://fhir.centraxx.de/extension/calendar/resource" />
      </type>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:invitationResource.type">
      <path value="Appointment.participant.type" />
      <min value="1" />
      <max value="1" />
      <patternCodeableConcept>
        <coding>
          <system value="https://fhir.centraxx.de/system/calendar/participantType" />
          <code value="INVITATION_RESOURCE" />
          <display value="INVITATION_RESOURCE" />
        </coding>
      </patternCodeableConcept>
      <mustSupport value="true" />
    </element>
    <element id="Appointment.participant:invitationResource.status">
      <path value="Appointment.participant.status" />
      <min value="0" />
      <max value="1" />
      <mustSupport value="true" />
    </element>
  </differential>
</StructureDefinition>