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

<ValueSet xmlns="http://hl7.org/fhir">
  <id value="duration-units"/>
  <meta>
    <lastUpdated value="2026-03-31T18:55:04.283+00:00"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
      <p class="res-header-id">
        <b>Generated Narrative: ValueSet duration-units</b>
      </p>
      <a name="duration-units"> </a>
      <a name="hcduration-units"> </a>
      <ul>
        <li>Include these codes as defined in 
          <a href="http://unitsofmeasure.org">
            <code>http://unitsofmeasure.org</code>
          </a>
          <span title="Version is not explicitly stated. No matching Code System found"> version Not Stated (use latest from terminology server)</span>
          <table class="none">
            <tr>
              <td style="white-space:nowrap">
                <b>Code</b>
              </td>
              <td>
                <b>Display</b>
              </td>
            </tr>
            <tr>
              <td>ms</td>
              <td>milliseconds</td>
            </tr>
            <tr>
              <td>s</td>
              <td>seconds</td>
            </tr>
            <tr>
              <td>min</td>
              <td>minutes</td>
            </tr>
            <tr>
              <td>h</td>
              <td>hours</td>
            </tr>
            <tr>
              <td>d</td>
              <td>days</td>
            </tr>
            <tr>
              <td>wk</td>
              <td>weeks</td>
            </tr>
            <tr>
              <td>mo</td>
              <td>months</td>
            </tr>
            <tr>
              <td>a</td>
              <td>years</td>
            </tr>
          </table>
        </li>
      </ul>
    </div>
  </text>
  <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>
  <url value="http://hl7.org/fhir/ValueSet/duration-units"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.3.61"/>
  </identifier>
  <version value="6.0.0-ballot4"/>
  <name value="CommonUCUMCodesForDuration"/>
  <title value="Common UCUM Codes for Duration"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2026-03-31T18:55:04+00:00"/>
  <publisher value="HL7 International / FHIR Infrastructure"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/fiwg"/>
    </telecom>
  </contact>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://hl7.org/fhir"/>
    </telecom>
  </contact>
  <description value="Unified Code for Units of Measure (UCUM). This value set includes all common UCUM codes used for Duration - that it is, all commonly used units which have the same canonical unit as 'a' (year)"/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
      <display value="World"/>
    </coding>
  </jurisdiction>
  <copyright value="The UCUM codes, UCUM table (regardless of format), and UCUM Specification are copyright © 1999-2009, Regenstrief Institute, Inc. and the Unified Codes for Units of Measures (UCUM) Organization. All rights reserved."/>
  <compose>
    <include>
      <system value="http://unitsofmeasure.org"/>
      <concept>
        <code value="ms"/>
        <display value="milliseconds"/>
      </concept>
      <concept>
        <code value="s"/>
        <display value="seconds"/>
      </concept>
      <concept>
        <code value="min"/>
        <display value="minutes"/>
      </concept>
      <concept>
        <code value="h"/>
        <display value="hours"/>
      </concept>
      <concept>
        <code value="d"/>
        <display value="days"/>
      </concept>
      <concept>
        <code value="wk"/>
        <display value="weeks"/>
      </concept>
      <concept>
        <code value="mo"/>
        <display value="months"/>
      </concept>
      <concept>
        <code value="a"/>
        <display value="years"/>
      </concept>
    </include>
  </compose>
</ValueSet>