This is the Continuous Integration Build of FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions
Example ValueSet/age-units (XML)
Raw XML (canonical form + also see XML Format Specification)
Definition for Value SetCommon UCUM Codes for Age
<?xml version="1.0" encoding="UTF-8"?>
<ValueSet xmlns="http://hl7.org/fhir">
<id value="age-units"/>
<meta>
<lastUpdated value="2025-08-28T16:54:01.036+00:00"/>
<profile value="http://hl7.org/fhir/StructureDefinition/shareablevalueset"/>
</meta>
<text>
<status value="generated"/>
<div xmlns="http://www.w3.org/1999/xhtml">
<p class="res-header-id">
<b> Generated Narrative: ValueSet age-units</b>
</p>
<a name="age-units"> </a>
<a name="hcage-units"> </a>
<div style="display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border:
1px solid #8da1b4; border-radius: 5px; line-height: 60%">
<p style="margin-bottom: 0px"/>
<p style="margin-bottom: 0px">Profile:
<a href="shareablevalueset.html">Shareable ValueSet</a>
</p>
</div>
<ul>
<li> Include these codes as defined in
<a href="http://unitsofmeasure.org">
<code> http://unitsofmeasure.org</code>
</a>
<table class="none">
<tr>
<td style="white-space:nowrap">
<b> Code</b>
</td>
<td>
<b> Display</b>
</td>
</tr>
<tr>
<td> min</td>
<td> min</td>
</tr>
<tr>
<td> h</td>
<td> hour</td>
</tr>
<tr>
<td> d</td>
<td> day</td>
</tr>
<tr>
<td> wk</td>
<td> week</td>
</tr>
<tr>
<td> mo</td>
<td> month</td>
</tr>
<tr>
<td> a</td>
<td> year</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="trial-use"/>
</extension>
<extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
<valueInteger value="5"/>
</extension>
<url value="http://hl7.org/fhir/ValueSet/age-units"/>
<identifier>
<system value="urn:ietf:rfc:3986"/>
<value value="urn:oid:2.16.840.1.113883.4.642.3.19"/>
</identifier>
<version value="6.0.0-ballot3"/>
<name value="CommonUCUMCodesForAge"/>
<title value="Common UCUM Codes for Age"/>
<status value="draft"/>
<experimental value="false"/>
<date value="2025-08-28T16:54:01+00:00"/>
<publisher value="HL7 International / FHIR Infrastructure"/>
<contact>
<telecom>
<system value="url"/>
<value value="http://www.hl7.org/Special/committees/fiwg"/>
</telecom>
</contact>
<description value="Unified Code for Units of Measure (UCUM). This value set includes all common UCUM
codes used for Age - 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="min"/>
<display value="min"/>
</concept>
<concept>
<code value="h"/>
<display value="hour"/>
</concept>
<concept>
<code value="d"/>
<display value="day"/>
</concept>
<concept>
<code value="wk"/>
<display value="week"/>
</concept>
<concept>
<code value="mo"/>
<display value="month"/>
</concept>
<concept>
<code value="a"/>
<display value="year"/>
</concept>
</include>
</compose>
</ValueSet>
Usage note: every effort has been made to ensure that the
examples are correct and useful, but they are not a normative part
of the specification.