{
  "resourceType": "CodeSystem",
  "id": "concept-properties",
  "meta": {
    "lastUpdated": "2019-11-01T09:29:23.356+11:00"
  },
  "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-fmm",
      "valueInteger": 4
    }
  ],
  "url": "http://hl7.org/fhir/concept-properties",
  "version": "4.0.1",
  "name": "FHIR Defined Concept Properties",
  "status": "draft",
  "publisher": "FHIR Project",
  "description": "A set of common concept properties for use on coded systems throughout the FHIR eco-system.",
  "caseSensitive": true,
  "valueSet": "http://hl7.org/fhir/ValueSet/concept-properties",
  "content": "complete",
  "concept": [
    {
      "code": "inactive",
      "display": "Inactive",
      "definition": "True if the concept is not considered active - e.g. not a valid concept any more. Property type is boolean, default value is false"
    },
    {
      "code": "deprecated",
      "display": "Deprecated",
      "definition": "The date at which a concept was deprecated. Concepts that are deprecated but not inactive can still be used, but their use is discouraged, and they should be expected to be made inactive in a future release. Property type is dateTime"
    },
    {
      "code": "notSelectable",
      "display": "Not Selectable",
      "definition": "The concept is not intended to be chosen by the user - only intended to be used as a selector for other concepts. Note, though, that the interpretation of this is highly contextual; all concepts are selectable in some context. Property type is boolean"
    },
    {
      "code": "parent",
      "display": "Parent",
      "definition": "The concept identified in this property is a parent of the concept on which it is a property. The property type will be 'code'. The meaning of 'parent' is defined by the hierarchyMeaning attribute"
    },
    {
      "code": "child",
      "display": "Child",
      "definition": "The concept identified in this property is a child of the concept on which it is a property. The property type will be 'code'. The meaning of 'child' is defined by the hierarchyMeaning attribute"
    }
  ]
}