<?xml version="1.0" encoding="UTF-8"?>
<!-- 
 * #%L
 * org.hl7.fhir.r5
 * %%
 * Copyright (C) 2014 - 2019 Health Level 7
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

/*
  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 21, 2026 23:26+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="List" type="List">
    <xs:annotation>
      <xs:documentation xml:lang="en">A List is a curated collection of resources, for things such as problem lists, allergy lists, facility list, organization list, etc.</xs:documentation>
    </xs:annotation>
  </xs:element>
  <xs:complexType name="List">
    <xs:annotation>
      <xs:documentation xml:lang="en">A List is a curated collection of resources, for things such as problem lists, allergy lists, facility list, organization list, etc.</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">Identifier for the List assigned for business purposes outside the context of FHIR.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="status" minOccurs="1" maxOccurs="1" type="ListStatus">
            <xs:annotation>
              <xs:documentation xml:lang="en">Indicates the current state of this list.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="mode" minOccurs="1" maxOccurs="1" type="ListMode">
            <xs:annotation>
              <xs:documentation xml:lang="en">How this list was prepared - whether it is a working list that is suitable for being maintained on an ongoing basis, or if it represents a snapshot of a list of items from another source, or whether it is a prepared list where items may be marked as added, modified or deleted.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="title" minOccurs="0" maxOccurs="1" type="string">
            <xs:annotation>
              <xs:documentation xml:lang="en">A label for the list assigned by the author.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="code" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">This code defines the purpose of the list - why it was created.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="subject" minOccurs="0" maxOccurs="unbounded" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The common subject(s) (or patient(s)) of the resources that are in the list if there is one (or a set of subjects).</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="encounter" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The encounter that is the context in which this list was created.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="date" minOccurs="0" maxOccurs="1" type="dateTime">
            <xs:annotation>
              <xs:documentation xml:lang="en">Date list was last reviewed/revised and determined to be 'current'.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="source" minOccurs="0" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">The entity responsible for deciding what the contents of the list were. Where the list was created by a human, this is the same as the author of the list.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="orderedBy" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">What order applies to the items in the list.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="note" minOccurs="0" maxOccurs="unbounded" type="Annotation">
            <xs:annotation>
              <xs:documentation xml:lang="en">Comments that apply to the overall list.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="entry" type="List.Entry" minOccurs="0" maxOccurs="unbounded">
            <xs:annotation>
              <xs:documentation xml:lang="en">Entries in this list.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="emptyReason" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">If the list is empty, why the list is empty.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:complexType name="List.Entry">
    <xs:annotation>
      <xs:documentation xml:lang="en">A List is a curated collection of resources, for things such as problem lists, allergy lists, facility list, organization list, etc.</xs:documentation>
    </xs:annotation>
    <xs:complexContent>
      <xs:extension base="BackboneElement">
        <xs:sequence>
          <xs:element name="flag" minOccurs="0" maxOccurs="1" type="CodeableConcept">
            <xs:annotation>
              <xs:documentation xml:lang="en">The flag allows the system constructing the list to indicate the role and significance of the item in the list.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="deleted" minOccurs="0" maxOccurs="1" type="boolean">
            <xs:annotation>
              <xs:documentation xml:lang="en">True if this item is marked as deleted in the list.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="date" minOccurs="0" maxOccurs="1" type="dateTime">
            <xs:annotation>
              <xs:documentation xml:lang="en">When this item was added to the list.</xs:documentation>
           </xs:annotation>
          </xs:element>
          <xs:element name="item" minOccurs="1" maxOccurs="1" type="Reference">
            <xs:annotation>
              <xs:documentation xml:lang="en">A reference to the actual resource from which data was derived.</xs:documentation>
           </xs:annotation>
          </xs:element>
        </xs:sequence>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:simpleType name="ListStatusEnum">
    <xs:restriction base="code-primitive">
      <xs:enumeration value="current">
        <xs:annotation>
          <xs:documentation xml:lang="en">Current</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="retired">
        <xs:annotation>
          <xs:documentation xml:lang="en">Retired</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:restriction>
  </xs:simpleType>
  <xs:complexType name="ListStatus">
    <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="ListStatusEnum" use="optional"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
  <xs:simpleType name="ListModeEnum">
    <xs:restriction base="code-primitive">
      <xs:enumeration value="working">
        <xs:annotation>
          <xs:documentation xml:lang="en">Working List</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="snapshot">
        <xs:annotation>
          <xs:documentation xml:lang="en">Snapshot List</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
      <xs:enumeration value="changes">
        <xs:annotation>
          <xs:documentation xml:lang="en">Change List</xs:documentation>
        </xs:annotation>
      </xs:enumeration>
    </xs:restriction>
  </xs:simpleType>
  <xs:complexType name="ListMode">
    <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="ListModeEnum" use="optional"/>
      </xs:extension>
    </xs:complexContent>
  </xs:complexType>
</xs:schema>
