{
  "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.",
  "compose": {
    "include": [ {
      "system": "http://terminology.hl7.org/CodeSystem/iso-8601-derived-periods"
    } ]
  },
  "_filename": "ValueSet-iso-8601-derived-periods.json",
  "package_name": "hl7.fhir.uv.cqm.r4",
  "date": "2025-06-27",
  "publisher": "HL7 International / Clinical Quality Information",
  "jurisdiction": [ {
    "coding": [ {
      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm"
    } ]
  } ],
  "name": "ISO8601DerivedPeriods",
  "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.",
  "type": null,
  "experimental": "false",
  "resourceType": "ValueSet",
  "title": "ISO-8601-Derived Periods",
  "package_version": "1.0.0",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "cqi"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 4,
    "_valueInteger": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical": "http://hl7.org/fhir/uv/cqm/ImplementationGuide/hl7.fhir.uv.cqm"
      } ]
    }
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "trial-use",
    "_valueCode": {
      "extension": [ {
        "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
        "valueCanonical": "http://hl7.org/fhir/uv/cqm/ImplementationGuide/hl7.fhir.uv.cqm"
      } ]
    }
  } ],
  "status": "active",
  "id": "e80c9e8c-febd-454d-b998-c94b56be6b59",
  "kind": null,
  "url": "http://terminology.hl7.org/ValueSet/iso-8601-derived-periods",
  "identifier": [ {
    "value": "urn:oid:2.16.840.1.113883.4.642.40.61.48.4",
    "system": "urn:ietf:rfc:3986"
  } ],
  "immutable": true,
  "version": "1.0.0",
  "contact": [ {
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/cqi",
      "system": "url"
    } ]
  } ]
}