HL7 Terminology (THO)
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: ISO-8601-Derived Periods - JSON Representation

Active as of 2025-06-27

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{
  "resourceType" : "ValueSet",
  "id" : "iso-8601-derived-periods",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: ValueSet iso-8601-derived-periods</b></p><a name=\"iso-8601-derived-periods\"> </a><a name=\"hciso-8601-derived-periods\"> </a><ul><li>Include all codes defined in <code>http://terminology.hl7.org/CodeSystem/iso-8601-derived-periods</code></li></ul></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "cqi"
    }
  ],
  "url" : "http://terminology.hl7.org/ValueSet/iso-8601-derived-periods",
  "version" : "1.0.0",
  "name" : "ISO8601DerivedPeriods",
  "title" : "ISO-8601-Derived Periods",
  "status" : "active",
  "experimental" : false,
  "date" : "2025-06-27",
  "publisher" : "HL7 International Clinical Quality Information Work Group",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://hl7.org/Special/committees/cqi"
        }
      ]
    },
    {
      "telecom" : [
        {
          "system" : "email",
          "value" : "cqi@lists.hl7.org"
        }
      ]
    }
  ],
  "description" : "All codes in the ISO-8601-Derived Periods code system. Note that this value set cannot be expanded because this set is effectively infinite, the set of all possible intervals of time.",
  "immutable" : true,
  "copyright" : "Adapted from content published by IHE Copyright (c) 2015 [IHE International, Inc](http://www.ihe.net/Governance/#Intellectual_Property). Used here according to the terms of the [CC BY 4 License](https://creativecommons.org/licenses/by/4.0/). Makes use of duration definitions as defined in the [ISO 8601](https://www.iso.org/iso-8601-date-and-time-format.html) specification.",
  "compose" : {
    "include" : [
      {
        "system" : "http://terminology.hl7.org/CodeSystem/iso-8601-derived-periods"
      }
    ]
  }
}