{
  "description": "The meaning of the hierarchy of concepts in a code system.",
  "_filename": "CodeSystem-codesystem-hierarchy-meaning.json",
  "package_name": "hl7.fhir.r6.core",
  "date": "2021-01-05T10:01:24+11:00",
  "meta": {
    "profile": [ "http://hl7.org/fhir/StructureDefinition/shareablecodesystem" ],
    "lastUpdated": "2025-04-01T12:16:37.966+11:00"
  },
  "publisher": "HL7 International / Terminology Infrastructure",
  "jurisdiction": [ {
    "coding": [ {
      "code": "001",
      "system": "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "display": "World"
    } ]
  } ],
  "content": "complete",
  "name": "CodeSystemHierarchyMeaning",
  "type": null,
  "experimental": "false",
  "resourceType": "CodeSystem",
  "title": "Code System Hierarchy Meaning",
  "package_version": "6.0.0-ballot3",
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "vocab"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "normative"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-normative-version",
    "valueCode": "4.0.0"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 5
  } ],
  "status": "active",
  "id": "f802d2f0-b546-4d17-be53-4046b9e91aa1",
  "valueSet": "http://hl7.org/fhir/ValueSet/codesystem-hierarchy-meaning",
  "kind": null,
  "url": "http://hl7.org/fhir/codesystem-hierarchy-meaning",
  "identifier": [ {
    "value": "urn:oid:2.16.840.1.113883.4.642.4.785",
    "system": "urn:ietf:rfc:3986"
  }, {
    "use": "old",
    "value": "urn:oid:2.16.840.1.113883.4.642.1.768",
    "system": "urn:ietf:rfc:3986"
  } ],
  "concept": [ {
    "code": "grouped-by",
    "display": "Grouped By",
    "definition": "No particular relationship between the concepts can be assumed, except what can be determined by inspection of the definitions of the elements (possible reasons to use this: importing from a source where this is not defined, or where various parts of the hierarchy have different meanings)."
  }, {
    "code": "is-a",
    "display": "Is-A",
    "definition": "A hierarchy where the child concepts have an IS-A relationship with the parents - that is, all the properties of the parent are also true for its child concepts. Not that is-a is a property of the concepts, so additional subsumption relationships may be defined using properties."
  }, {
    "code": "part-of",
    "display": "Part Of",
    "definition": "Child elements list the individual parts of a composite whole (e.g. body site)."
  }, {
    "code": "classified-with",
    "display": "Classified With",
    "definition": "Child concepts in the hierarchy may have only one parent, and there is a presumption that the code system is a \"closed world\" meaning all things must be in the hierarchy. This results in concepts such as \"not otherwise classified.\"."
  } ],
  "caseSensitive": true,
  "version": "6.0.0-ballot3",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "url"
    } ]
  }, {
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/Vocab/index.cfm",
      "system": "url"
    } ]
  } ]
}