Release 4 FHIR CI-Build

This page is part of the Continuous Integration Build of FHIR Specification (v4.0.1: R4 - Mixed Normative and STU ) in it's permanent home (it will always (will be available incorrect/inconsistent at this URL). The current version which supercedes this version is 5.0.0 . For a full list of available versions, see times).
See the Directory of published versions . Page versions: R5 R4B R4

Valueset-all-time-units.json

Example ValueSet/all-time-units (JSON)

Maturity Level : N/A
Responsible Owner: Vocabulary Terminology Infrastructure Work Group Standards Status : Informative

Raw JSON ( canonical form + also see JSON Format Specification )

Definition for Value SetAll UCUM Expression for Time 

{
  "resourceType" : "ValueSet",
  "id" : "all-time-units",
  "meta" : {
    "lastUpdated" : "2019-11-01T09:29:23.356+11:00"

    "lastUpdated" : "2025-11-24T20:46:00.100+00:00"

  },
  "text" : {
    "status" : "generated",
    "div" : "<div>!-- Snipped for Brevity --></div>"

    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: ValueSet all-time-units</b></p><a name=\"all-time-units\"> </a><a name=\"hcall-time-units\"> </a><ul><li>Include codes from<a href=\"http://unitsofmeasure.org\"><code>http://unitsofmeasure.org</code></a><span title=\"Version is not explicity stated. No matching Code System found\"> version Not Stated (use latest from terminology server)</span> where canonical  = a (a)</li></ul></div>"

  },
  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  }],

  "url" : "http://hl7.org/fhir/ValueSet/all-time-units",
  "version" : "4.0.1",

  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.3.3304"
  }],
  "version" : "6.0.0-ballot3",

  "name" : "AllUCUMExpressionForTime",
  "title" : "All UCUM Expression for Time",
  "status" : "draft",
  "publisher" : "FHIR Project team",

  "experimental" : false,
  "publisher" : "HL7 International / FHIR Infrastructure",

  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"

      "value" : "http://www.hl7.org/Special/committees/fiwg"

    }]
  }],
  "description" : "Unified Code for Units of Measure (UCUM). This value set includes all UCUM codes for units of time",
  "copyright" : "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.",

  "description" : "Unified Code for Units of Measure (UCUM). This value set includes all possible UCUM codes used for time measures (Age, Duration etc.) - that it is, all units which have the same canonical unit as 'a' (year)",
  "copyright" : "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" : "http://unitsofmeasure.org",
      "filter" : [{
        "property" : "canonical",
        "op" : "=",
        "value" : "a"
      }]
    }]
  }
}

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.