<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="v3-Calendar"/>
  <language value="en"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><p><b>Properties</b></p><p><b>This code system  defines the following properties for its concepts</b></p><table class="grid"><tr><td><b>Code</b></td><td><b>URI</b></td><td><b>Type</b></td><td><b>Description</b></td></tr><tr><td>Specializes</td><td/><td>Coding</td><td>The child code is a more narrow version of the concept represented by the parent code.  I.e. Every child concept is also a valid parent concept.  Used to allow determination of subsumption.  Must be transitive, irreflexive, antisymmetric.</td></tr><tr><td>Generalizes</td><td/><td>Coding</td><td>Inverse of Specializes.  Only included as a derived relationship.</td></tr><tr><td>internalId</td><td>http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id</td><td>code</td><td>The internal identifier for the concept in the HL7 Access database repository.</td></tr><tr><td>status</td><td>http://hl7.org/fhir/concept-properties#status</td><td>code</td><td>Designation of a concept's state. Normally is not populated unless the state is retired.</td></tr></table><p><b>Concepts</b></p><p>This case-sensitive code system <code>http://terminology.hl7.org/CodeSystem/v3-Calendar</code> defines the following code in a Is-A heirarchy:</p><table class="codes"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td><td><b>internalId</b></td><td><b>status</b></td></tr><tr><td style="white-space:nowrap">GREG<a name="v3-Calendar-GREG"> </a></td><td>Gregorian</td><td>The Gregorian calendar is the calendar in effect in most countries of Christian influence since approximately 1582. This calendar superceded the Julian calendar.</td><td>17423</td><td>active</td></tr></table></div>
  </text>
  <url value="http://terminology.hl7.org/CodeSystem/v3-Calendar"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.5.1055"/>
  </identifier>
  <version value="3.0.0"/>
  <name value="Calendar"/>
  <title value="Calendar"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2019-03-20"/>
  <publisher value="Health Level Seven International"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org"/>
    </telecom>
    <telecom>
      <system value="email"/>
      <value value="hq@HL7.org"/>
    </telecom>
  </contact>
  <description value="Code system for specifying a type of calendar"/>
  <copyright value="This material derives from the HL7 Terminology THO. THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license"/>
  <caseSensitive value="true"/>
  <hierarchyMeaning value="is-a"/>
  <content value="complete"/>
  <property>
    <extension url="http://terminology.hl7.org/StructureDefinition/ext-mif-relationship-symmetry">
      <valueCode value="antisymmetric"/>
    </extension>
    <extension url="http://terminology.hl7.org/StructureDefinition/ext-mif-relationship-transitivity">
      <valueCode value="transitive"/>
    </extension>
    <extension url="http://terminology.hl7.org/StructureDefinition/ext-mif-relationship-reflexivity">
      <valueCode value="irreflexive"/>
    </extension>
    <extension url="http://terminology.hl7.org/StructureDefinition/ext-mif-relationship-isNavigable">
      <valueBoolean value="true"/>
    </extension>
    <extension url="http://terminology.hl7.org/StructureDefinition/ext-mif-relationship-relationshipKind">
      <valueCode value="Specializes"/>
    </extension>
    <extension url="http://terminology.hl7.org/StructureDefinition/ext-mif-relationship-inverseName">
      <valueString value="Generalizes"/>
    </extension>
    <code value="Specializes"/>
    <description value="The child code is a more narrow version of the concept represented by the parent code.  I.e. Every child concept is also a valid parent concept.  Used to allow determination of subsumption.  Must be transitive, irreflexive, antisymmetric."/>
    <type value="Coding"/>
  </property>
  <property>
    <extension url="http://terminology.hl7.org/StructureDefinition/ext-mif-relationship-symmetry">
      <valueCode value="antisymmetric"/>
    </extension>
    <extension url="http://terminology.hl7.org/StructureDefinition/ext-mif-relationship-transitivity">
      <valueCode value="transitive"/>
    </extension>
    <extension url="http://terminology.hl7.org/StructureDefinition/ext-mif-relationship-reflexivity">
      <valueCode value="irreflexive"/>
    </extension>
    <extension url="http://terminology.hl7.org/StructureDefinition/ext-mif-relationship-isNavigable">
      <valueBoolean value="true"/>
    </extension>
    <extension url="http://terminology.hl7.org/StructureDefinition/ext-mif-relationship-relationshipKind">
      <valueCode value="Generalizes"/>
    </extension>
    <extension url="http://terminology.hl7.org/StructureDefinition/ext-mif-relationship-inverseName">
      <valueString value="Specializes"/>
    </extension>
    <code value="Generalizes"/>
    <description value="Inverse of Specializes.  Only included as a derived relationship."/>
    <type value="Coding"/>
  </property>
  <property>
    <code value="internalId"/>
    <uri value="http://terminology.hl7.org/CodeSystem/utg-concept-properties#v3-internal-id"/>
    <description value="The internal identifier for the concept in the HL7 Access database repository."/>
    <type value="code"/>
  </property>
  <property>
    <code value="status"/>
    <uri value="http://hl7.org/fhir/concept-properties#status"/>
    <description value="Designation of a concept's state. Normally is not populated unless the state is retired."/>
    <type value="code"/>
  </property>
  <concept>
    <code value="GREG"/>
    <display value="Gregorian"/>
    <definition value="The Gregorian calendar is the calendar in effect in most countries of Christian influence since approximately 1582. This calendar superceded the Julian calendar."/>
    <property>
      <code value="status"/>
      <valueCode value="active"/>
    </property>
    <property>
      <code value="internalId"/>
      <valueCode value="17423"/>
    </property>
  </concept>
</CodeSystem>