{
  "description": "Observation Category codes.",
  "compose": {
    "include": [ {
      "system": "http://terminology.hl7.org/CodeSystem/observation-category"
    } ]
  },
  "_filename": "ValueSet-observation-category.json",
  "package_name": "hl7.fhir.r6.expansions",
  "date": null,
  "meta": {
    "lastUpdated": "2025-12-18T07:07:42.170+11:00"
  },
  "publisher": "FHIR Project team",
  "jurisdiction": [ {
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      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "display": "World"
    } ]
  } ],
  "name": "ObservationCategoryCodes",
  "type": null,
  "experimental": "false",
  "resourceType": "ValueSet",
  "expansion": {
    "total": 10,
    "offset": 0,
    "contains": [ {
      "code": "social-history",
      "system": "http://terminology.hl7.org/CodeSystem/observation-category",
      "display": "Social History"
    }, {
      "code": "vital-signs",
      "system": "http://terminology.hl7.org/CodeSystem/observation-category",
      "display": "Vital Signs"
    }, {
      "code": "imaging",
      "system": "http://terminology.hl7.org/CodeSystem/observation-category",
      "display": "Imaging"
    }, {
      "code": "laboratory",
      "system": "http://terminology.hl7.org/CodeSystem/observation-category",
      "display": "Laboratory"
    }, {
      "code": "procedure",
      "system": "http://terminology.hl7.org/CodeSystem/observation-category",
      "display": "Procedure"
    }, {
      "code": "survey",
      "system": "http://terminology.hl7.org/CodeSystem/observation-category",
      "display": "Survey"
    }, {
      "code": "exam",
      "system": "http://terminology.hl7.org/CodeSystem/observation-category",
      "display": "Exam"
    }, {
      "code": "therapy",
      "system": "http://terminology.hl7.org/CodeSystem/observation-category",
      "display": "Therapy"
    }, {
      "code": "activity",
      "system": "http://terminology.hl7.org/CodeSystem/observation-category",
      "display": "Activity"
    }, {
      "code": "symptom",
      "system": "http://terminology.hl7.org/CodeSystem/observation-category",
      "display": "Symptom"
    } ],
    "parameter": [ {
      "name": "excludeNested",
      "valueBoolean": false
    }, {
      "name": "includeDesignations",
      "valueBoolean": true
    }, {
      "name": "count",
      "valueInteger": 1000
    }, {
      "name": "offset",
      "valueInteger": 0
    }, {
      "name": "used-codesystem",
      "valueUri": "http://terminology.hl7.org/CodeSystem/observation-category|2.0.0"
    } ],
    "timestamp": "2025-12-18T07:09:53+11:00",
    "identifier": "urn:uuid:7d517bf4-45b4-4250-8989-63abd093b6e2"
  },
  "title": "Observation Category Codes",
  "package_version": "6.0.0-ballot4",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "oo"
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    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "normative"
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    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 1
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  "status": "active",
  "id": "5fb31e57-24b7-49de-a2a1-fc3552f769d7",
  "kind": null,
  "url": "http://hl7.org/fhir/ValueSet/observation-category",
  "identifier": [ {
    "value": "urn:oid:2.16.840.1.113883.4.642.3.403",
    "system": "urn:ietf:rfc:3986"
  }, {
    "use": "old",
    "value": "urn:oid:2.16.840.1.113883.4.642.3.392",
    "system": "urn:ietf:rfc:3986"
  }, {
    "use": "old",
    "value": "urn:oid:2.16.840.1.113883.4.642.2.222",
    "system": "urn:ietf:rfc:3986"
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  "version": "6.0.0-ballot4",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "url"
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}