{

"resourceType": "CodeSystem",
"id": "concept-subsumption-outcome",
"meta": {
  "lastUpdated": "2019-11-01T09:29:23.356+11:00"
},
"url": "http://hl7.org/fhir/concept-subsumption-outcome",
"identifier": [
  {
    "system": "urn:ietf:rfc:3986",
    "value": "urn:oid:2.16.840.1.113883.4.642.4.1239"
  }
],
"version": "4.0.1",
"name": "ConceptSubsumptionOutcome",
"title": "ConceptSubsumptionOutcome",
"status": "draft",
"experimental": false,
"date": "2019-11-01T09:29:23+11:00",
"publisher": "HL7 (FHIR Project)",
"contact": [
  {
    "telecom": [
      {
        "system": "url",
        "value": "http://hl7.org/fhir"
      },
      {
        "system": "email",
        "value": "fhir@lists.hl7.org"
      }
    ]
  }
],
"description": "The subsumption relationship between code/Coding \"A\" and code/Coding \"B\". There are 4 possible codes to be returned: equivalent, subsumes, subsumed-by, and not-subsumed. If the server is unable to determine the relationship between the codes/Codings, then it returns an error (i.e. an OperationOutcome).",
"caseSensitive": true,
"valueSet": "http://hl7.org/fhir/ValueSet/concept-subsumption-outcome",
"content": "complete",
"concept": [
  {
    "code": "equivalent",
    "display": "Equivalent",
    "definition": "The two concepts are equivalent (have the same properties)."
  },
  {
    "code": "subsumes",
    "display": "Subsumes",
    "definition": "Coding/code \"A\" subsumes Coding/code \"B\" (e.g. B has all the properties A has, and some of it's own)."
  },
  {
    "code": "subsumed-by",
    "display": "Subsumed-By",
    "definition": "Coding/code \"A\" is subsumed by Coding/code \"B\" (e.g. A has all the properties B has, and some of it's own)."
  },
  {
    "code": "not-subsumed",
    "display": "Not-Subsumed",
    "definition": "Coding/code \"A\" and Coding/code \"B\" are disjoint (e.g. each has propeties that the other doesn't have)."
  }
]

}