{
  "resourceType": "ValueSet",
  "id": "duration-units",
  "meta": {
    "lastUpdated": "2026-06-14T21:56:23.705+00:00"
  },
  "text": {
    "status": "generated",
    "div": "\u003cdiv xmlns\u003d\"http://www.w3.org/1999/xhtml\"\u003e\u003cp class\u003d\"res-header-id\"\u003e\u003cb\u003eGenerated Narrative: ValueSet duration-units\u003c/b\u003e\u003c/p\u003e\u003ca name\u003d\"duration-units\"\u003e \u003c/a\u003e\u003ca name\u003d\"hcduration-units\"\u003e \u003c/a\u003e\u003cul\u003e\u003cli\u003eInclude these codes as defined in \u003ca href\u003d\"http://unitsofmeasure.org\"\u003e\u003ccode\u003ehttp://unitsofmeasure.org\u003c/code\u003e\u003c/a\u003e\u003cspan title\u003d\"Version is not explicitly stated. No matching Code System found\"\u003e version Not Stated (use latest from terminology server)\u003c/span\u003e\u003ctable class\u003d\"none\"\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003e\u003cb\u003eCode\u003c/b\u003e\u003c/td\u003e\u003ctd\u003e\u003cb\u003eDisplay\u003c/b\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ems\u003c/td\u003e\u003ctd\u003emilliseconds\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003es\u003c/td\u003e\u003ctd\u003eseconds\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003emin\u003c/td\u003e\u003ctd\u003eminutes\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003eh\u003c/td\u003e\u003ctd\u003ehours\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ed\u003c/td\u003e\u003ctd\u003edays\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ewk\u003c/td\u003e\u003ctd\u003eweeks\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003emo\u003c/td\u003e\u003ctd\u003emonths\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd\u003ea\u003c/td\u003e\u003ctd\u003eyears\u003c/td\u003e\u003c/tr\u003e\u003c/table\u003e\u003c/li\u003e\u003c/ul\u003e\u003c/div\u003e"
  },
  "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/duration-units",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.3.61"
    }
  ],
  "version": "6.0.0-ballot4",
  "name": "CommonUCUMCodesForDuration",
  "title": "Common UCUM Codes for Duration",
  "status": "active",
  "experimental": false,
  "date": "2026-06-14T21:56:23+00:00",
  "publisher": "HL7 International / FHIR Infrastructure",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://www.hl7.org/Special/committees/fiwg"
        }
      ]
    },
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        }
      ]
    }
  ],
  "description": "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 \u0027a\u0027 (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": "ms",
            "display": "milliseconds"
          },
          {
            "code": "s",
            "display": "seconds"
          },
          {
            "code": "min",
            "display": "minutes"
          },
          {
            "code": "h",
            "display": "hours"
          },
          {
            "code": "d",
            "display": "days"
          },
          {
            "code": "wk",
            "display": "weeks"
          },
          {
            "code": "mo",
            "display": "months"
          },
          {
            "code": "a",
            "display": "years"
          }
        ]
      }
    ]
  }
}