{
  "resourceType": "CodeSystem",
  "id": "group-characteristic-combination",
  "meta": {
    "lastUpdated": "2026-05-25T22:13:44.118+00:00"
  },
  "text": {
    "status": "generated",
    "div": "\u003cdiv xmlns\u003d\"http://www.w3.org/1999/xhtml\"\u003e\u003cp class\u003d\"res-header-id\"\u003e\u003cb\u003eGenerated Narrative: CodeSystem group-characteristic-combination\u003c/b\u003e\u003c/p\u003e\u003ca name\u003d\"group-characteristic-combination\"\u003e \u003c/a\u003e\u003ca name\u003d\"hcgroup-characteristic-combination\"\u003e \u003c/a\u003e\u003cp\u003eThis case-sensitive code system \u003ccode\u003ehttp://hl7.org/fhir/group-characteristic-combination\u003c/code\u003e defines the following codes:\u003c/p\u003e\u003ctable class\u003d\"codes\"\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003e\u003cb\u003eCode\u003c/b\u003e\u003c/td\u003e\u003ctd\u003e\u003cb\u003eDisplay\u003c/b\u003e\u003c/td\u003e\u003ctd\u003e\u003cb\u003eDefinition\u003c/b\u003e\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003eall-of\u003ca name\u003d\"group-characteristic-combination-all-of\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eAll of\u003c/td\u003e\u003ctd\u003eCombine characteristics with AND.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003eany-of\u003ca name\u003d\"group-characteristic-combination-any-of\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eAny of\u003c/td\u003e\u003ctd\u003eCombine characteristics with OR.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003eat-least\u003ca name\u003d\"group-characteristic-combination-at-least\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eAt least\u003c/td\u003e\u003ctd\u003eMeet at least the threshold number of characteristics for definition.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003eat-most\u003ca name\u003d\"group-characteristic-combination-at-most\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eAt most\u003c/td\u003e\u003ctd\u003eMeet at most the threshold number of characteristics for definition.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003eexcept-subset\u003ca name\u003d\"group-characteristic-combination-except-subset\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eExcept subset\u003c/td\u003e\u003ctd\u003eMeet the inclusion criteria under the condition that the basis does not match the exclusion criteria.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003estatistical\u003ca name\u003d\"group-characteristic-combination-statistical\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eStatistical\u003c/td\u003e\u003ctd\u003eCombine characteristics statistically. Use method to specify the statistical method.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003enet-effect\u003ca name\u003d\"group-characteristic-combination-net-effect\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eNet effect\u003c/td\u003e\u003ctd\u003eCombine characteristics by addition of benefits and subtraction of harms.\u003c/td\u003e\u003c/tr\u003e\u003ctr\u003e\u003ctd style\u003d\"white-space:nowrap\"\u003edataset\u003ca name\u003d\"group-characteristic-combination-dataset\"\u003e \u003c/a\u003e\u003c/td\u003e\u003ctd\u003eDataset\u003c/td\u003e\u003ctd\u003eCombine characteristics as a collection used as the dataset.\u003c/td\u003e\u003c/tr\u003e\u003c/table\u003e\u003c/div\u003e"
  },
  "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-fmm",
      "valueInteger": 3
    }
  ],
  "url": "http://hl7.org/fhir/group-characteristic-combination",
  "identifier": [
    {
      "system": "urn:ietf:rfc:3986",
      "value": "urn:oid:2.16.840.1.113883.4.642.4.1952"
    }
  ],
  "version": "6.0.0-ballot4",
  "name": "GroupCharacteristicCombination",
  "title": "Group Characteristic Combination",
  "status": "active",
  "experimental": false,
  "date": "2021-01-05T10:01:24+11:00",
  "publisher": "HL7 (FHIR Project)",
  "contact": [
    {
      "telecom": [
        {
          "system": "url",
          "value": "http://hl7.org/fhir"
        },
        {
          "system": "email",
          "value": "fhir@lists.hl7.org"
        }
      ]
    }
  ],
  "description": "Logical grouping of characteristics.",
  "jurisdiction": [
    {
      "coding": [
        {
          "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code": "001",
          "display": "World"
        }
      ]
    }
  ],
  "caseSensitive": true,
  "content": "complete",
  "concept": [
    {
      "code": "all-of",
      "display": "All of",
      "definition": "Combine characteristics with AND."
    },
    {
      "code": "any-of",
      "display": "Any of",
      "definition": "Combine characteristics with OR."
    },
    {
      "code": "at-least",
      "display": "At least",
      "definition": "Meet at least the threshold number of characteristics for definition."
    },
    {
      "code": "at-most",
      "display": "At most",
      "definition": "Meet at most the threshold number of characteristics for definition."
    },
    {
      "code": "except-subset",
      "display": "Except subset",
      "definition": "Meet the inclusion criteria under the condition that the basis does not match the exclusion criteria."
    },
    {
      "code": "statistical",
      "display": "Statistical",
      "definition": "Combine characteristics statistically. Use method to specify the statistical method."
    },
    {
      "code": "net-effect",
      "display": "Net effect",
      "definition": "Combine characteristics by addition of benefits and subtraction of harms."
    },
    {
      "code": "dataset",
      "display": "Dataset",
      "definition": "Combine characteristics as a collection used as the dataset."
    }
  ]
}