HL7 v2.9.1 Vocabulary
0.2.0 - ci-build

HL7 v2.9.1 Vocabulary, published by HL7/FO. This guide is not an authorized publication; it is the continuous build for version 0.2.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/frankoemig/hl7.v2.terminology.v291/ and changes regularly. See the Directory of published versions

## : Duration Categories (2.9.1 - 1.2.0) - XML Representation

Active as of 2026-03-13

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    <CodeSystem xmlns="http://hl7.org/fhir">
      <id value="durationCategories"/>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml"><ul><li>Include all codes defined in <a href="CodeSystem-durationCategories.html"><code>http://terminology.hl7.org/v2plusvocab/CodeSystem/durationCategories</code></a></li></ul></div>
      </text>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-v2versionCreated">
        <valueString value="2.9.1"/>
      </extension>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-versionHistory">
        <valueString value="generate correct history somehow"/>
      </extension>
      <extension
                 url="http://terminology.hl7.org/v2plusvocab/StructureDefinition/codesystem-tableNo">
        <valueString value="0255"/>
      </extension>
      <url
           value="http://terminology.hl7.org/v2plusvocab/CodeSystem/durationCategories"/>
      <identifier>
        <system value="urn:ietf:rfc:3986"/>
        <value value="urn:oid:2.16.840.1.113883.18.150"/>
      </identifier>
      <identifier>
        <system value="urn:ietf:rfc:3986"/>
        <value value="http://terminology.hl7.org/v2plusvocab/CodeSystem/v2-0255"/>
      </identifier>
      <version value="1.2.0"/>
      <name value="DurationCategories"/>
      <title value="Duration Categories (2.9.1 - 1.2.0)"/>
      <status value="active"/>
      <experimental value="true"/>
      <date value="2026-03-13T11:04:57+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="Code system of concepts used to classify an observation definition as intended to measure a patient's state at a point in time.  Used in HL7 Version 2.x messaging in the OM1 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 id="2486">
        <code value="*"/>
        <display value="(asterisk) Life of the &quot;unit&quot;"/>
        <definition value="(asterisk) Life of the &quot;unit&quot;"/>
        <property>
          <code value="comment"/>
          <valueString value="Used for blood products."/>
        </property>
        <property>
          <code value="usage"/>
          <valueString value="Deprecated March 2016; use code LU instead."/>
        </property>
        <property>
          <code value="status"/>
          <valueCode value="inactive"/>
        </property>
        <property>
          <code value="modified"/>
          <valueDateTime value="2016-03-12"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2497">
        <code value="12H"/>
        <display value="12 hours"/>
        <definition value="12 hours"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2488">
        <code value="1H"/>
        <display value="1 hour"/>
        <definition value="1 hour"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2508">
        <code value="1L"/>
        <display value="1 months (30 days)"/>
        <definition value="1 months (30 days)"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2504">
        <code value="1W"/>
        <display value="1 week"/>
        <definition value="1 week"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2490">
        <code value="2.5H"/>
        <display value="2 1/2 hours"/>
        <definition value="2 1/2 hours"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2498">
        <code value="24H"/>
        <display value="24 hours"/>
        <definition value="24 hours"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2499">
        <code value="2D"/>
        <display value="2 days"/>
        <definition value="2 days"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2489">
        <code value="2H"/>
        <display value="2 hours"/>
        <definition value="2 hours"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2509">
        <code value="2L"/>
        <display value="2 months"/>
        <definition value="2 months"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2505">
        <code value="2W"/>
        <display value="2 weeks"/>
        <definition value="2 weeks"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2487">
        <code value="30M"/>
        <display value="30 minutes"/>
        <definition value="30 minutes"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2500">
        <code value="3D"/>
        <display value="3 days"/>
        <definition value="3 days"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2491">
        <code value="3H"/>
        <display value="3 hours"/>
        <definition value="3 hours"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2510">
        <code value="3L"/>
        <display value="3 months"/>
        <definition value="3 months"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2506">
        <code value="3W"/>
        <display value="3 weeks"/>
        <definition value="3 weeks"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2501">
        <code value="4D"/>
        <display value="4 days"/>
        <definition value="4 days"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2492">
        <code value="4H"/>
        <display value="4 hours"/>
        <definition value="4 hours"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2507">
        <code value="4W"/>
        <display value="4 weeks"/>
        <definition value="4 weeks"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2502">
        <code value="5D"/>
        <display value="5 days"/>
        <definition value="5 days"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2493">
        <code value="5H"/>
        <display value="5 hours"/>
        <definition value="5 hours"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2503">
        <code value="6D"/>
        <display value="6 days"/>
        <definition value="6 days"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2494">
        <code value="6H"/>
        <display value="6 hours"/>
        <definition value="6 hours"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2495">
        <code value="7H"/>
        <display value="7 hours"/>
        <definition value="7 hours"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2496">
        <code value="8H"/>
        <display value="8 hours"/>
        <definition value="8 hours"/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2015-07-13"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
      <concept id="2511">
        <code value="LU"/>
        <display value="Life of the &quot;unit&quot;"/>
        <definition value="Life of the &quot;unit&quot; (for blood products)."/>
        <property>
          <code value="usage"/>
          <valueString
                       value="In a master file update for blood products, no specific duration value can be specified (see OM1-43 “Point Versus Interval” field definition)."/>
        </property>
        <property>
          <code value="modified"/>
          <valueDateTime value="2016-03-16"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.9"/>
        </property>
      </concept>
      <concept id="2512">
        <code value="PT"/>
        <display value="point in time"/>
        <definition value="To identify measures at a point in time."/>
        <property>
          <code value="modified"/>
          <valueDateTime value="2016-07-06"/>
        </property>
        <property>
          <code value="versionIntroduced"/>
          <valueString value="2.3"/>
        </property>
      </concept>
    </CodeSystem>