<?xml version="1.0" encoding="UTF-8"?>
<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="reference-version-rules"/>
  <meta>
    <lastUpdated value="2019-11-01T09:29:23.356+11:00"/>
  </meta>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="fhir"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="normative"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version">
    <valueCode value="4.0.0"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="2"/>
  </extension>
  <url value="http://hl7.org/fhir/reference-version-rules"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.4.90"/>
  </identifier>
  <version value="4.0.1"/>
  <name value="ReferenceVersionRules"/>
  <title value="ReferenceVersionRules"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2019-11-01T09:29:23+11:00"/>
  <publisher value="HL7 (FHIR Project)"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="fhir@lists.hl7.org"/>
    </telecom>
  </contact>
  <description value="Whether a reference needs to be version specific or version independent, or whether either can be used."/>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/reference-version-rules"/>
  <content value="complete"/>
  <concept>
    <code value="either"/>
    <display value="Either Specific or independent"/>
    <definition value="The reference may be either version independent or version specific."/>
  </concept>
  <concept>
    <code value="independent"/>
    <display value="Version independent"/>
    <definition value="The reference must be version independent."/>
  </concept>
  <concept>
    <code value="specific"/>
    <display value="Version Specific"/>
    <definition value="The reference must be version specific."/>
  </concept>
</CodeSystem>