<status value="active"/> <experimental value="true"/> <date value="2026-03-13T11:11:50+00:00"/> <publisher value="HL7/FO"/> <contact> <name value="HL7/FO"/> <telecom> <system value="url"/> <value value="http://www.hl7.org"/> </telecom> </contact> <description value="HL7-defined code system of concepts which are used to identify an HL7 version in the Version 2.x family of published standards. Used in HL7 Version 2.x messaging in the VID segment."/> <copyright value="HL7 Inc., 2026"/> <caseSensitive value="true"/> <compositional value="false"/> <content value="complete"/> <property> <code value="versionIntroduced"/> <uri value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionIntroduced"/> <description value="version when was this code introduced"/> <type value="string"/> </property> <property> <code value="versionDeprecated"/> <uri value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#versionDeprecated"/> <description value="version when was this code deprecated"/> <type value="string"/> </property> <property> <code value="status"/> <uri value="http://hl7.org/fhir/concept-properties#status"/> <description value="A code that indicates the status of the concept. Typical values are active, experimental, deprecated, and retired"/> <type value="code"/> </property> <property> <code value="comment"/> <uri value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#comment"/> <description value="A string that provides additional detail pertinent to the use or understanding of the concept"/> <type value="string"/> </property> <property> <code value="usage"/> <uri value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#usage"/> <description value="usage notes for this code"/> <type value="string"/> </property> <property> <code value="modified"/> <uri value="http://terminology.hl7.org/v2plusvocab/CodeSystem/Property#modified"/> <description value="date of last modification"/> <type value="dateTime"/> </property> <concept> <code value="2.0"/> <display value="Release 2.0"/> <definition value="Release 2.0"/> <property> <code value="comment"/> <valueString value="September 1988"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.1"/> </property> </concept> <concept> <code value="2.0D"/> <display value="Demo 2.0"/> <definition value="Demo 2.0"/> <property> <code value="comment"/> <valueString value="October 1988"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.1"/> </property> </concept> <concept> <code value="2.1"/> <display value="Release 2.1"/> <definition value="Release 2.1"/> <property> <code value="comment"/> <valueString value="March 1990"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.1"/> </property> </concept> <concept> <code value="2.2"/> <display value="Release 2.2"/> <definition value="Release 2.2"/> <property> <code value="comment"/> <valueString value="December 1994"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.2"/> </property> </concept> <concept> <code value="2.3"/> <display value="Release 2.3"/> <definition value="Release 2.3"/> <property> <code value="comment"/> <valueString value="March 1997"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.3"/> </property> </concept> <concept> <code value="2.3.1"/> <display value="Release 2.3.1"/> <definition value="Release 2.3.1"/> <property> <code value="comment"/> <valueString value="May 1999"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.3.1"/> </property> </concept> <concept> <code value="2.4"/> <display value="Release 2.4"/> <definition value="Release 2.4"/> <property> <code value="comment"/> <valueString value="November 2000"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.4"/> </property> </concept> <concept> <code value="2.5"/> <display value="Release 2.5"/> <definition value="Release 2.5"/> <property> <code value="comment"/> <valueString value="May 2003"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5"/> </property> </concept> <concept> <code value="2.5.1"/> <display value="Release 2.5.1"/> <definition value="Release 2.5.1"/> <property> <code value="comment"/> <valueString value="January 2007"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.5.1"/> </property> </concept> <concept> <code value="2.6"/> <display value="Release 2.6"/> <definition value="Release 2.6"/> <property> <code value="comment"/> <valueString value="July 2007"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.6"/> </property> </concept> <concept> <code value="2.7"/> <display value="Release 2.7"/> <definition value="Release 2.7"/> <property> <code value="comment"/> <valueString value="November 2010"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.7"/> </property> </concept> <concept> <code value="2.7.1"/> <display value="Release 2.7.1"/> <definition value="Release 2.7.1"/> <property> <code value="comment"/> <valueString value="July 2012"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.7.1"/> </property> </concept> <concept> <code value="2.8"/> <display value="Release 2.8"/> <definition value="Release 2.8"/> <property> <code value="comment"/> <valueString value="February 2014"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.8"/> </property> </concept> <concept> <code value="2.8.1"/> <display value="Release 2.8.1"/> <definition value="Release 2.8.1"/> <property> <code value="comment"/> <valueString value="April 2014"/> </property> <property> <code value="modified"/> <valueDateTime value="2015-07-13"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.8.1"/> </property> </concept> <concept> <code value="2.8.2"/> <display value="Release 2.8.2"/> <definition value="Release 2.8.2"/> <property> <code value="comment"/> <valueString value="May 2015"/> </property> <property> <code value="modified"/> <valueDateTime value="2017-04-24"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.8.2"/> </property> </concept> <concept> <code value="2.9"/> <display value="Draft 2.9"/> <definition value="Draft 2.9"/> <property> <code value="comment"/> <valueString value="Sep. 2017"/> </property> <property> <code value="modified"/> <valueDateTime value="2022-08-25"/> </property> <property> <code value="versionIntroduced"/> <valueString value="2.9"/> </property> </concept> </CodeSystem>