{

"resourceType": "CodeSystem",
"id": "adverse-event-causality-assess",
"meta": {
  "lastUpdated": "2019-11-01T09:29:23.356+11:00"
},
"extension": [
  {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "pc"
  },
  {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "draft"
  },
  {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 1
  }
],
"url": "http://terminology.hl7.org/CodeSystem/adverse-event-causality-assess",
"identifier": [
  {
    "system": "urn:ietf:rfc:3986",
    "value": "urn:oid:2.16.840.1.113883.4.642.4.1254"
  }
],
"version": "4.0.1",
"name": "AdverseEventCausalityAssessment",
"title": "AdverseEventCausalityAssessment",
"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": "Codes for the assessment of whether the entity caused the event.",
"caseSensitive": true,
"valueSet": "http://hl7.org/fhir/ValueSet/adverse-event-causality-assess",
"content": "complete",
"concept": [
  {
    "code": "Certain",
    "display": "Certain",
    "definition": "i) Event or laboratory test abnormality, with plausible time relationship to drug intake; ii) Cannot be explained by disease or other drugs; iii) Response to withdrawal plausible (pharmacologically, pathologically); iv) Event definitive pharmacologically or phenomenologically (i.e. an objective and specific medical disorder or a recognized pharmacological phenomenon); or v) Re-challenge satisfactory, if necessary."
  },
  {
    "code": "Probably-Likely",
    "display": "Probably/Likely",
    "definition": "i) Event or laboratory test abnormality, with reasonable time relationship to drug intake; ii) Unlikely to be attributed to disease or other drugs; iii) Response to withdrawal clinically reasonable; or iv) Re-challenge not required."
  },
  {
    "code": "Possible",
    "display": "Possible",
    "definition": "i) Event or laboratory test abnormality, with reasonable time relationship to drug intake; ii) Could also be explained by disease or other drugs; or iii) Information on drug withdrawal may be lacking or unclear."
  },
  {
    "code": "Unlikely",
    "display": "Unlikely",
    "definition": "i) Event or laboratory test abnormality, with a time to drug intake that makes a relationship improbable (but not impossible); or ii) Disease or other drugs provide plausible explanations."
  },
  {
    "code": "Conditional-Classified",
    "display": "Conditional/Classified",
    "definition": "i) Event or laboratory test abnormality; ii) More data for proper assessment needed; or iii) Additional data under examination."
  },
  {
    "code": "Unassessable-Unclassifiable",
    "display": "Unassessable/Unclassifiable",
    "definition": "i) Report suggesting an adverse reaction; ii) Cannot be judged because information is insufficient or contradictory; or iii) Data cannot be supplemented or verified."
  }
]

}