FHIR Extensions Pack
5.3.0-ballot-tc1 - (September 2025 Ballot) International flag

This page is part of the FHIR Core Extensions Registry (v5.3.0-ballot-tc1: Release 5.3) based on FHIR (HL7® FHIR® Standard) v5.0.0. This version is a pre-release. The current official version is 5.2.0. For a full list of available versions, see the Directory of published versions

: Common UCUM Codes for Time Duration - TTL Representation

Page standards status: Trial-use Maturity Level: 1

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@prefix fhir: <http://hl7.org/fhir/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

# - resource -------------------------------------------------------------------

 a fhir:ValueSet ;
  fhir:nodeRole fhir:treeRoot ;
  fhir:id [ fhir:v "time-duration-units"] ; # 
  fhir:meta [
    ( fhir:profile [
fhir:v "http://hl7.org/fhir/StructureDefinition/shareablevalueset"^^xsd:anyURI ;
fhir:link <http://hl7.org/fhir/StructureDefinition/shareablevalueset>     ] )
  ] ; # 
  fhir:text [
fhir:status [ fhir:v "generated" ] ;
fhir:div "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: ValueSet time-duration-units</b></p><a name=\"time-duration-units\"> </a><a name=\"hctime-duration-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=\"http://hl7.org/fhir/R5/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>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>mo</td><td>months</td></tr><tr><td>a</td><td>years</td></tr></table></li></ul></div>"^^rdf:XMLLiteral
  ] ; # 
  fhir:extension ( [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"^^xsd:anyURI ] ;
fhir:value [
a fhir:code ;
fhir:v "fhir"     ]
  ] [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status"^^xsd:anyURI ] ;
fhir:value [
a fhir:code ;
fhir:v "trial-use"     ]
  ] [
fhir:url [ fhir:v "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm"^^xsd:anyURI ] ;
fhir:value [
a fhir:integer ;
fhir:v 1     ]
  ] ) ; # 
  fhir:url [ fhir:v "http://hl7.org/fhir/ValueSet/time-duration-units"^^xsd:anyURI] ; # 
  fhir:version [ fhir:v "5.3.0-ballot-tc1"] ; # 
  fhir:name [ fhir:v "CommonUCUMCodesForTimeDuration"] ; # 
  fhir:title [ fhir:v "Common UCUM Codes for Time Duration"] ; # 
  fhir:status [ fhir:v "active"] ; # 
  fhir:experimental [ fhir:v false] ; # 
  fhir:date [ fhir:v "2025-05-23"^^xsd:date] ; # 
  fhir:publisher [ fhir:v "HL7 International / FHIR Infrastructure"] ; # 
  fhir:contact ( [
    ( fhir:telecom [
fhir:system [ fhir:v "url" ] ;
fhir:value [ fhir:v "http://www.hl7.org/Special/committees/fiwg" ]     ] )
  ] ) ; # 
  fhir:description [ fhir:v "This value set includes all common UCUM codes used for Time Duration Units - 'a' (years), 'mo' (months), 'd' (days), 'h' (hours), 'min' (minutes), 's' (seconds), and 'ms' (milliseconds). NOTE: This value set is the same as the duration units value set, except that it does not include weeks, because weeks are not a valid precision for a datetime, time, or instant value."] ; # 
  fhir:jurisdiction ( [
    ( fhir:coding [
fhir:system [ fhir:v "http://unstats.un.org/unsd/methods/m49/m49.htm"^^xsd:anyURI ] ;
fhir:code [ fhir:v "001" ]     ] )
  ] ) ; # 
  fhir:copyright [ fhir:v "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."] ; # 
  fhir:compose [
    ( fhir:include [
fhir:system [ fhir:v "http://unitsofmeasure.org"^^xsd:anyURI ] ;
      ( fhir:concept [
fhir:code [ fhir:v "ms" ] ;
fhir:display [ fhir:v "milliseconds" ]       ] [
fhir:code [ fhir:v "s" ] ;
fhir:display [ fhir:v "seconds" ]       ] [
fhir:code [ fhir:v "min" ] ;
fhir:display [ fhir:v "minutes" ]       ] [
fhir:code [ fhir:v "h" ] ;
fhir:display [ fhir:v "hours" ]       ] [
fhir:code [ fhir:v "d" ] ;
fhir:display [ fhir:v "days" ]       ] [
fhir:code [ fhir:v "mo" ] ;
fhir:display [ fhir:v "months" ]       ] [
fhir:code [ fhir:v "a" ] ;
fhir:display [ fhir:v "years" ]       ] )     ] )
  ] . #