http://hl7.org/fhir/reaction-event-certainty|5.2.0

{
  "description" : "AllergyIntoleranceCertainty",
  "compose" : null,
  "package" : "hl7.fhir.uv.extensions.r5@5.2.0",
  "date" : "2025-02-10T10:45:45Z",
  "meta" : {
    "profile" : [ "http://hl7.org/fhir/StructureDefinition/shareablecodesystem" ],
    "lastUpdated" : "2023-01-31T07:07:38.434+11:00"
  },
  "publisher" : "HL7 International / Patient Care",
  "jurisdiction" : [ {
    "coding" : [ {
      "code" : "001",
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm"
    } ]
  } ],
  "content" : "complete",
  "name" : "AllergyIntoleranceCertainty",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "AllergyIntolerance Certainty CodeSystem",
  "supliment" : null,
  "extension" : [ {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode" : "pc"
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    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode" : "trial-use"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 2
  } ],
  "status" : "draft",
  "id" : "4f994f40-ca84-518e-9320-becad1e8926e",
  "url" : "http://hl7.org/fhir/reaction-event-certainty",
  "identifier" : [ {
    "value" : "urn:oid:2.16.840.1.113883.4.642.1.1276",
    "system" : "urn:ietf:rfc:3986"
  }, {
    "use" : "old",
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    "system" : "urn:ietf:rfc:3986"
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  "concept" : [ {
    "code" : "unlikely",
    "display" : "Unlikely",
    "definition" : "There is a low level of clinical certainty that the reaction was caused by the identified substance."
  }, {
    "code" : "likely",
    "display" : "Likely",
    "definition" : "There is a high level of clinical certainty that the reaction was caused by the identified substance."
  }, {
    "code" : "confirmed",
    "display" : "Confirmed",
    "definition" : "There is a very high level of clinical certainty that the reaction was due to the identified substance, which may include clinical evidence by testing or rechallenge."
  }, {
    "code" : "unknown",
    "display" : "Unknown",
    "definition" : "The clinical certainty that the reaction was caused by the identified substance is unknown.  It is an explicit assertion that certainty is not known."
  } ],
  "caseSensitive" : true,
  "version" : "5.2.0",
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}