http://terminology.hl7.org/CodeSystem/v2-0255|2.0.0

{
  "description" : "Code system of concepts used to classify an observation definition as intended to measure a patient's state at a point in time.  Used in HL7 Version 2.x messaging in the OM1 segment.",
  "compose" : null,
  "package" : "hl7.terminology.r5@6.3.0",
  "date" : "2019-12-01T00:00:00Z",
  "versionNeeded" : false,
  "publisher" : "Health Level Seven International",
  "purpose" : "Underlying Master Code System for V2 table 0255 (Duration Categories)",
  "content" : "complete",
  "property" : [ {
    "uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#status",
    "code" : "status",
    "type" : "code",
    "description" : "Status of the concept"
  }, {
    "uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-table-deprecated",
    "code" : "deprecated",
    "type" : "code",
    "description" : "Version of HL7 in which the code was deprecated"
  }, {
    "uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#v2-concComment",
    "code" : "v2-concComment",
    "type" : "string",
    "description" : "V2 Concept Comment"
  }, {
    "uri" : "http://terminology.hl7.org/CodeSystem/utg-concept-properties#HL7usageNotes",
    "code" : "HL7usageNotes",
    "type" : "string",
    "description" : "HL7 Concept Usage Notes"
  } ],
  "name" : "DurationCategories",
  "copyright" : "This material derives from the HL7 Terminology (THO). THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license.html",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "durationCategories",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "inm"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "oo"
  } ],
  "compositional" : false,
  "status" : "active",
  "hierarchyMeaning" : "is-a",
  "id" : "0cf6bc79-1ce5-5892-a4c6-23657eb3ae2c",
  "valueSet" : "http://terminology.hl7.org/ValueSet/v2-0255",
  "url" : "http://terminology.hl7.org/CodeSystem/v2-0255",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.18.150",
    "system" : "urn:ietf:rfc:3986"
  } ],
  "concept" : [ {
    "id" : "2486",
    "code" : "*",
    "display" : "(asterisk) Life of the \"unit\"",
    "property" : [ {
      "code" : "v2-concComment",
      "valueString" : "Used for blood products."
    }, {
      "code" : "HL7usageNotes",
      "valueString" : "Deprecated March 2016; use code LU instead."
    }, {
      "code" : "status",
      "valueCode" : "D"
    } ],
    "definition" : "(asterisk) Life of the \"unit\""
  }, {
    "id" : "2487",
    "code" : "30M",
    "display" : "30 minutes",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "30 minutes"
  }, {
    "id" : "2488",
    "code" : "1H",
    "display" : "1 hour",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "1 hour"
  }, {
    "id" : "2489",
    "code" : "2H",
    "display" : "2 hours",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "2 hours"
  }, {
    "id" : "2490",
    "code" : "2.5H",
    "display" : "2 1/2 hours",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "2 1/2 hours"
  }, {
    "id" : "2491",
    "code" : "3H",
    "display" : "3 hours",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "3 hours"
  }, {
    "id" : "2492",
    "code" : "4H",
    "display" : "4 hours",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "4 hours"
  }, {
    "id" : "2493",
    "code" : "5H",
    "display" : "5 hours",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "5 hours"
  }, {
    "id" : "2494",
    "code" : "6H",
    "display" : "6 hours",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "6 hours"
  }, {
    "id" : "2495",
    "code" : "7H",
    "display" : "7 hours",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "7 hours"
  }, {
    "id" : "2496",
    "code" : "8H",
    "display" : "8 hours",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "8 hours"
  }, {
    "id" : "2497",
    "code" : "12H",
    "display" : "12 hours",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "12 hours"
  }, {
    "id" : "2498",
    "code" : "24H",
    "display" : "24 hours",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "24 hours"
  }, {
    "id" : "2499",
    "code" : "2D",
    "display" : "2 days",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "2 days"
  }, {
    "id" : "2500",
    "code" : "3D",
    "display" : "3 days",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "3 days"
  }, {
    "id" : "2501",
    "code" : "4D",
    "display" : "4 days",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "4 days"
  }, {
    "id" : "2502",
    "code" : "5D",
    "display" : "5 days",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "5 days"
  }, {
    "id" : "2503",
    "code" : "6D",
    "display" : "6 days",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "6 days"
  }, {
    "id" : "2504",
    "code" : "1W",
    "display" : "1 week",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "1 week"
  }, {
    "id" : "2505",
    "code" : "2W",
    "display" : "2 weeks",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "2 weeks"
  }, {
    "id" : "2506",
    "code" : "3W",
    "display" : "3 weeks",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "3 weeks"
  }, {
    "id" : "2507",
    "code" : "4W",
    "display" : "4 weeks",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "4 weeks"
  }, {
    "id" : "2508",
    "code" : "1L",
    "display" : "1 months (30 days)",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "1 months (30 days)"
  }, {
    "id" : "2509",
    "code" : "2L",
    "display" : "2 months",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "2 months"
  }, {
    "id" : "2510",
    "code" : "3L",
    "display" : "3 months",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "3 months"
  }, {
    "id" : "2511",
    "code" : "LU",
    "display" : "Life of the \"unit\"",
    "property" : [ {
      "code" : "HL7usageNotes",
      "valueString" : "In a master file update for blood products, no specific duration value can be specified (see OM1-43 “Point Versus Interval” field definition)."
    }, {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "Life of the \"unit\" (for blood products)."
  }, {
    "id" : "2512",
    "code" : "PT",
    "display" : "point in time",
    "property" : [ {
      "code" : "status",
      "valueCode" : "A"
    } ],
    "definition" : "To identify measures at a point in time.  This is a synonym for \"spot\" or \"random\" as applied to urine measurements."
  } ],
  "caseSensitive" : true,
  "version" : "2.0.0",
  "contact" : [ {
    "telecom" : [ {
      "value" : "http://hl7.org",
      "system" : "url"
    }, {
      "value" : "hq@HL7.org",
      "system" : "email"
    } ]
  } ]
}