Definition for Value SetCommon UCUM Codes for Duration

{
  "resourceType" : "ValueSet",
  "id" : "duration-units",
  "meta" : {
    "lastUpdated" : "2022-09-07T10:58:29.429+10:00",
    "profile" : ["http://hl7.org/fhir/StructureDefinition/shareablevalueset"]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div>!-- Snipped for Brevity --></div>"
  },
  "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/StructureDefinition/structuredefinition-normative-version",
    "valueCode" : "4.0.0"
  },
  {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 5
  }],
  "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" : "5.0.0-ballot",
  "name" : "CommonUCUMCodesForDuration",
  "title" : "Common UCUM Codes for Duration",
  "status" : "active",
  "experimental" : false,
  "date" : "2022-09-07T10:58:29+10:00",
  "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 common UCUM codes used for Duraction - that it is, all commonly used 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",
      "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"
      }]
    }]
  }
}