{
  "description": "Statement about the degree of clinical certainty that a specific substance was the cause of the manifestation in an reaction event.",
  "_filename": "codesystem-reaction-event-certainty.json",
  "package_name": "hl7.fhir.core",
  "date": "2016-12-06T12:22:34+11:00",
  "meta": {
    "lastUpdated": "2016-12-06T12:22:34.981+11:00"
  },
  "publisher": "HL7 (FHIR Project)",
  "content": "complete",
  "name": "AllergyIntoleranceCertainty",
  "type": null,
  "experimental": "false",
  "resourceType": "CodeSystem",
  "title": null,
  "package_version": "1.8.0",
  "status": "draft",
  "id": "e45c8029-700f-407c-9593-d15a9f43dcc5",
  "valueSet": "http://hl7.org/fhir/ValueSet/reaction-event-certainty",
  "kind": null,
  "url": "http://hl7.org/fhir/reaction-event-certainty",
  "identifier": {
    "value": "urn:oid:2.16.840.1.113883.4.642.1.54",
    "system": "urn:ietf:rfc:3986"
  },
  "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": "1.8.0",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "url"
    }, {
      "value": "fhir@lists.hl7.org",
      "system": "email"
    } ]
  } ]
}