FHIR Release 3 (STU) CI-Build

This page is part of the FHIR Specification (v3.0.2: STU 3). The current version which supercedes this version is 5.0.0 . For a full list Continuous Integration Build of available versions, see FHIR (will be incorrect/inconsistent at times).
See the Directory of published versions . Page versions: R5 R4B R4 R3 R2

Valueset-age-units.json

Example ValueSet/age-units (JSON)

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

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

Definition for Value SetUCUM SetCommon UCUM Codes for Age

{
  "resourceType": "ValueSet",
  "id": "age-units",
  "meta": {
    "lastUpdated": "2019-10-24T11:53:00+11:00",
    "profile": [
      "http://hl7.org/fhir/StructureDefinition/shareablevalueset"
    ]

  "resourceType" : "ValueSet",
  "id" : "age-units",
  "meta" : {
    "lastUpdated" : "2025-12-17T09:50:17.012+00:00"

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

  "text" : {
    "status" : "generated",
    "div" : "<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><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>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>"

  },
  "extension": [
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-ballot-status",
      "valueString": "Informative"
    },
    {
      "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger": 0
    }
  ],
  "url": "http://hl7.org/fhir/ValueSet/age-units",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.3.19"
    }
  ],
  "version": "3.0.2",
  "name": "UCUM Codes",
  "status": "draft",
  "experimental": true,
  "date": "2019-10-24T11:53:00+11:00",
  "publisher": "FHIR Project team",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        }
      ]
    }
  ],
  "description": "Unified Code for Units of Measure (UCUM). This value set includes all UCUM codes",
  "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": [

  "extension" : [{
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "fhir"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "normative"
  }],
  "url" : "http://hl7.org/fhir/ValueSet/age-units",
  "identifier" : [{
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.3.19"
  }],
  "version" : "6.0.0-ballot3",
  "name" : "CommonUCUMCodesForAge",
  "title" : "Common UCUM Codes for Age",
  "status" : "active",
  "experimental" : false,
  "date" : "2025-12-17T09:50:17+00:00",
  "publisher" : "HL7 International / FHIR Infrastructure",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fiwg"
    }]
  }],
  "description" : "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" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001",
      "display" : "World"
    }]
  }],
  "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",
      "concept" : [{
        "code" : "min",
        "display" : "min"
      },

      {
        "system": "http://unitsofmeasure.org",
        "concept": [
          {
            "code": "min",
            "display": "minutes"
          },
          {
            "code": "h",
            "display": "hours"
          },
          {
            "code": "d",
            "display": "days"
          },
          {
            "code": "wk",
            "display": "weeks"
          },
          {
            "code": "mo",
            "display": "months"
          },
          {
            "code": "a",
            "display": "years"
          }
        ]
      }
    ]

        "code" : "h",
        "display" : "hour"
      },
      {
        "code" : "d",
        "display" : "day"
      },
      {
        "code" : "wk",
        "display" : "week"
      },
      {
        "code" : "mo",
        "display" : "month"
      },
      {
        "code" : "a",
        "display" : "year"
      }]
    }]

  }
}

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.