<?xml version="1.0" encoding="UTF-8"?>
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 * Copyright (C) 2014 - 2019 Health Level 7
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/*
  Copyright (c) 2011+, HL7, Inc.
  All rights reserved.
  
  Redistribution and use in source and binary forms, with or without modification, 
  are permitted provided that the following conditions are met:
  
   * Redistributions of source code must retain the above copyright notice, this 
     list of conditions and the following disclaimer.
   * Redistributions in binary form must reproduce the above copyright notice, 
     this list of conditions and the following disclaimer in the documentation 
     and/or other materials provided with the distribution.
   * Neither the name of HL7 nor the names of its contributors may be used to 
     endorse or promote products derived from this software without specific 
     prior written permission.
  
  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 
  ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
  WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 
  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 
  INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 
  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 
  WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 
  POSSIBILITY OF SUCH DAMAGE.
  

  Generated on Sun, Jun 14, 2026 12:41+0000 for FHIR v6.0.0-ballot4 

  Note: the schemas &amp; schematrons do not contain all of the rules about what makes resources
  valid. Implementers will still need to be familiar with the content of the specification and with
  any profiles that apply to the resources in order to make a conformant implementation.

-->
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" xmlns="http://hl7.org/fhir" xmlns:xhtml="http://www.w3.org/1999/xhtml" targetNamespace="http://hl7.org/fhir" elementFormDefault="qualified" version="1.0">
  <xs:include schemaLocation="fhir-base.xsd"/>
  <xs:element name="Appointment" type="Appointment">
    <xs:annotation>
      <xs:documentation xml:lang="en">A booking of a healthcare event among patient(s), practitioner(s), related person(s) and/or device(s) for a specific date/time. This may result in one or more Encounter(s).</xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name="Appointment">
    <xs:annotation>
      <xs:documentation xml:lang="en">A booking of a healthcare event among patient(s), practitioner(s), related person(s) and/or device(s) for a specific date/time. This may result in one or more Encounter(s).</xs:documentation>
      <xs:documentation xml:lang="en">If the element is present, it must have either a @value, an @id, or extensions</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="DomainResource">
        <xs:sequence>
          <xs:element name="identifier" minOccurs="0" maxOccurs="unbounded" type="Identifier">
            <xs:annotation>
              <xs:documentation xml:lang="en">This records identifiers associated with this appointment concern that are defined by business processes and/or used to refer to it when a direct URL reference to the resource itself is not appropriate (e.g. in CDA documents, or in written / printed documentation).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="status" minOccurs="1" maxOccurs="1" type="AppointmentStatus">
            <xs:annotation>
              <xs:documentation xml:lang="en">The overall status of the Appointment. Each of the participants has their own participation status which indicates their involvement in the process, however this status indicates the shared status.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="cancellationReason" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">The coded reason for the appointment being cancelled. This is often used in reporting/billing/further processing to determine if further actions are required, or specific fees apply.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="class" minOccurs="0" maxOccurs="unbounded" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">Concepts representing classification of patient encounter such as ambulatory (outpatient), inpatient, emergency, home health or others due to local variations.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="serviceCategory" minOccurs="0" maxOccurs="unbounded" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">A broad categorization of the service that is to be performed during this appointment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="serviceType" minOccurs="0" maxOccurs="unbounded" type="CodeableReference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The specific service that is to be performed during this appointment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="specialty" minOccurs="0" maxOccurs="unbounded" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">The specialty of a practitioner that would be required to perform the service requested in this appointment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="appointmentType" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">The style of appointment or patient that has been booked in the slot (not service type).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="reason" minOccurs="0" maxOccurs="unbounded" type="CodeableReference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The reason that this appointment is being scheduled. This is more clinical than administrative. This can be coded, or as specified using information from another resource. When the patient arrives and the encounter begins it may be used as the admission diagnosis. The indication will typically be a Condition (with other resources referenced in the evidence.detail), or a Procedure.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="priority" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">The priority of the appointment. Can be used to make informed decisions if needing to re-prioritize appointments. (The iCal Standard specifies 0 as undefined, 1 as highest, 9 as lowest priority).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="description" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">The brief description of the appointment as would be shown on a subject line in a meeting request, or appointment list. Detailed or expanded information should be put in the note field.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="replaces" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Appointment replaced by this Appointment in cases where there is a cancellation, the details of the cancellation can be found in the cancellationReason property (on the referenced resource).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="virtualService" minOccurs="0" maxOccurs="unbounded" type="VirtualServiceDetail">
            <xs:annotation>
              <xs:documentation xml:lang="en">Connection details of a virtual service (e.g. conference call).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="supportingInformation" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">Additional information to support the appointment provided when making the appointment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="previousAppointment" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The previous appointment in a series of related appointments.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="originatingAppointment" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The originating appointment in a recurring set of related appointments.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="start" minOccurs="0" maxOccurs="1" type="instant">
            <xs:annotation>
              <xs:documentation xml:lang="en">Date/Time that the appointment is to take place.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="end" minOccurs="0" maxOccurs="1" type="instant">
            <xs:annotation>
              <xs:documentation xml:lang="en">Date/Time that the appointment is to conclude.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="minutesDuration" minOccurs="0" maxOccurs="1" type="positiveInt">
            <xs:annotation>
              <xs:documentation xml:lang="en">Number of minutes that the appointment is to take. This can be less than the duration between the start and end times.  For example, where the actual time of appointment is only an estimate or if a 30 minute appointment is being requested, but any time would work.  Also, if there is, for example, a planned 15 minute break in the middle of a long appointment, the duration may be 15 minutes less than the difference between the start and end.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="requestedPeriod" minOccurs="0" maxOccurs="unbounded" type="Period">
            <xs:annotation>
              <xs:documentation xml:lang="en">A set of date ranges (potentially including times) that the appointment is preferred to be scheduled within.

The duration (usually in minutes) could also be provided to indicate the length of the appointment to fill and populate the start/end times for the actual allocated time. However, in other situations the duration may be calculated by the scheduling system.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="slot" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The slots from the participants' schedules that will be filled by the appointment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="account" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The set of accounts that is expected to be used for billing the activities that result from this Appointment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="created" minOccurs="0" maxOccurs="1" type="dateTime">
            <xs:annotation>
              <xs:documentation xml:lang="en">The date that this appointment was initially created. This could be different to the meta.lastModified value on the initial entry, as this could have been before the resource was created on the FHIR server, and should remain unchanged over the lifespan of the appointment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="cancellationDate" minOccurs="0" maxOccurs="1" type="dateTime">
            <xs:annotation>
              <xs:documentation xml:lang="en">The date/time describing when the appointment was cancelled.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="note" minOccurs="0" maxOccurs="unbounded" type="Annotation">
            <xs:annotation>
              <xs:documentation xml:lang="en">Additional notes/comments about the appointment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="patientInstruction" minOccurs="0" maxOccurs="unbounded" type="CodeableReference">
            <xs:annotation>
              <xs:documentation xml:lang="en">While Appointment.note contains information for internal use, Appointment.patientInstructions is used to capture patient facing information about the Appointment (e.g. please bring your referral or fast from 8pm night before).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="basedOn" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The request this appointment is allocated to assess (e.g. incoming referral or procedure request).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="subject" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The patient or group associated with the appointment, if they are to be present (usually) then they should also be included in the participant backbone element.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="participant" type="Appointment.Participant" minOccurs="1" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">List of participants involved in the appointment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="recurrenceId" minOccurs="0" maxOccurs="1" type="positiveInt">
            <xs:annotation>
              <xs:documentation xml:lang="en">The sequence number that identifies a specific appointment in a recurring pattern.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="occurrenceChanged" minOccurs="0" maxOccurs="1" type="boolean">
            <xs:annotation>
              <xs:documentation xml:lang="en">This appointment varies from the recurring pattern.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="recurrenceTemplate" type="Appointment.RecurrenceTemplate" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">The details of the recurrence pattern or template that is used to generate recurring appointments.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="Appointment.Participant">
    <xs:annotation>
      <xs:documentation xml:lang="en">A booking of a healthcare event among patient(s), practitioner(s), related person(s) and/or device(s) for a specific date/time. This may result in one or more Encounter(s).</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="type" minOccurs="0" maxOccurs="unbounded" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">Role of participant in the appointment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="period" minOccurs="0" maxOccurs="1" type="Period">
            <xs:annotation>
              <xs:documentation xml:lang="en">Participation period of the actor.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="actor" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The individual, device, location, or service participating in the appointment.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="required" minOccurs="0" maxOccurs="1" type="boolean">
            <xs:annotation>
              <xs:documentation xml:lang="en">Whether this participant is required to be present at the meeting. If false, the participant is optional.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="status" minOccurs="1" maxOccurs="1" type="ParticipationStatus">
            <xs:annotation>
              <xs:documentation xml:lang="en">Participation status of the actor.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="Appointment.RecurrenceTemplate">
    <xs:annotation>
      <xs:documentation xml:lang="en">A booking of a healthcare event among patient(s), practitioner(s), related person(s) and/or device(s) for a specific date/time. This may result in one or more Encounter(s).</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="timezone" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">The timezone of the recurring appointment occurrences.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="recurrenceType" minOccurs="1" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">How often the appointment series should recur.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="lastOccurrenceDate" minOccurs="0" maxOccurs="1" type="date">
            <xs:annotation>
              <xs:documentation xml:lang="en">Recurring appointments will not occur after this date.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="occurrenceCount" minOccurs="0" maxOccurs="1" type="positiveInt">
            <xs:annotation>
              <xs:documentation xml:lang="en">How many appointments are planned in the recurrence.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="occurrenceDate" minOccurs="0" maxOccurs="unbounded" type="date">
            <xs:annotation>
              <xs:documentation xml:lang="en">The list of specific dates that will have appointments generated.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="weeklyTemplate" type="Appointment.WeeklyTemplate" minOccurs="0" maxOccurs="1">
            <xs:annotation>
              <xs:documentation xml:lang="en">Information about weekly recurring appointments.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="monthlyTemplate" type="Appointment.MonthlyTemplate" minOccurs="0" maxOccurs="1">
            <xs:annotation>
              <xs:documentation xml:lang="en">Information about monthly recurring appointments.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="yearlyTemplate" type="Appointment.YearlyTemplate" minOccurs="0" maxOccurs="1">
            <xs:annotation>
              <xs:documentation xml:lang="en">Information about yearly recurring appointments.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="excludingDate" minOccurs="0" maxOccurs="unbounded" type="date">
            <xs:annotation>
              <xs:documentation xml:lang="en">Any dates, such as holidays, that should be excluded from the recurrence.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="excludingRecurrenceId" minOccurs="0" maxOccurs="unbounded" type="positiveInt">
            <xs:annotation>
              <xs:documentation xml:lang="en">Any dates, such as holidays, that should be excluded from the recurrence.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="Appointment.WeeklyTemplate">
    <xs:annotation>
      <xs:documentation xml:lang="en">A booking of a healthcare event among patient(s), practitioner(s), related person(s) and/or device(s) for a specific date/time. This may result in one or more Encounter(s).</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="monday" minOccurs="0" maxOccurs="1" type="boolean">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates that recurring appointments should occur on Mondays.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="tuesday" minOccurs="0" maxOccurs="1" type="boolean">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates that recurring appointments should occur on Tuesdays.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="wednesday" minOccurs="0" maxOccurs="1" type="boolean">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates that recurring appointments should occur on Wednesdays.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="thursday" minOccurs="0" maxOccurs="1" type="boolean">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates that recurring appointments should occur on Thursdays.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="friday" minOccurs="0" maxOccurs="1" type="boolean">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates that recurring appointments should occur on Fridays.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="saturday" minOccurs="0" maxOccurs="1" type="boolean">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates that recurring appointments should occur on Saturdays.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="sunday" minOccurs="0" maxOccurs="1" type="boolean">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates that recurring appointments should occur on Sundays.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="weekInterval" minOccurs="0" maxOccurs="1" type="positiveInt">
            <xs:annotation>
              <xs:documentation xml:lang="en">The interval defines if the recurrence is every nth week. The default is every week, so it is expected that this value will be 2 or more.

e.g. For recurring every second week this interval would be 2, or every third week the interval would be 3.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="Appointment.MonthlyTemplate">
    <xs:annotation>
      <xs:documentation xml:lang="en">A booking of a healthcare event among patient(s), practitioner(s), related person(s) and/or device(s) for a specific date/time. This may result in one or more Encounter(s).</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="dayOfMonth" minOccurs="0" maxOccurs="1" type="positiveInt">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates that appointments in the series of recurring appointments should occur on a specific day of the month.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="nthWeekOfMonth" minOccurs="0" maxOccurs="1" type="Coding">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates which week within a month the appointments in the series of recurring appointments should occur on.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="dayOfWeek" minOccurs="0" maxOccurs="1" type="Coding">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates which day of the week the recurring appointments should occur each nth week.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="monthInterval" minOccurs="1" maxOccurs="1" type="positiveInt">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates that recurring appointments should occur every nth month.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="Appointment.YearlyTemplate">
    <xs:annotation>
      <xs:documentation xml:lang="en">A booking of a healthcare event among patient(s), practitioner(s), related person(s) and/or device(s) for a specific date/time. This may result in one or more Encounter(s).</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="yearInterval" minOccurs="1" maxOccurs="1" type="positiveInt">
            <xs:annotation>
              <xs:documentation xml:lang="en">Appointment recurs every nth year.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:simpleType name="AppointmentStatusEnum">
    <xs:restriction base="code-primitive">
      <xs:enumeration value="proposed">
        <xs:annotation>
          <xs:documentation xml:lang="en">Proposed</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="pending">
        <xs:annotation>
          <xs:documentation xml:lang="en">Pending</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="booked">
        <xs:annotation>
          <xs:documentation xml:lang="en">Booked</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="arrived">
        <xs:annotation>
          <xs:documentation xml:lang="en">Arrived</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="fulfilled">
        <xs:annotation>
          <xs:documentation xml:lang="en">Fulfilled</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="cancelled">
        <xs:annotation>
          <xs:documentation xml:lang="en">Cancelled</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="noshow">
        <xs:annotation>
          <xs:documentation xml:lang="en">No Show</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="entered-in-error">
        <xs:annotation>
          <xs:documentation xml:lang="en">Entered in error</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="checked-in">
        <xs:annotation>
          <xs:documentation xml:lang="en">Checked In</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="waitlist">
        <xs:annotation>
          <xs:documentation xml:lang="en">Waitlisted</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name="AppointmentStatus">
    <xs:annotation>
      <xs:documentation xml:lang="en"></xs:documentation>
      <xs:documentation xml:lang="en">If the element is present, it must have either a @value, an @id, or extensions</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="Element">
        <xs:attribute name="value" type="AppointmentStatusEnum" use="optional"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:simpleType name="ParticipationStatusEnum">
    <xs:restriction base="code-primitive">
      <xs:enumeration value="accepted">
        <xs:annotation>
          <xs:documentation xml:lang="en">Accepted</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="declined">
        <xs:annotation>
          <xs:documentation xml:lang="en">Declined</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="tentative">
        <xs:annotation>
          <xs:documentation xml:lang="en">Tentative</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="needs-action">
        <xs:annotation>
          <xs:documentation xml:lang="en">Needs Action</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name="ParticipationStatus">
    <xs:annotation>
      <xs:documentation xml:lang="en"></xs:documentation>
      <xs:documentation xml:lang="en">If the element is present, it must have either a @value, an @id, or extensions</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="Element">
        <xs:attribute name="value" type="ParticipationStatusEnum" use="optional"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:schema>
