AllergyIntolerance certainty

{
  "description" : "AllergyIntoleranceCertainty",
  "date" : "2023-03-26T08:47:34+11:00",
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    "lastUpdated" : "2023-01-31T07:07:38.434+11:00",
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  "name" : "AllergyIntoleranceCertainty",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "AllergyIntolerance certainty",
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  "status" : "draft",
  "id" : "a3fbeb25-2290-4411-82b6-80589c32e575",
  "url" : "http://hl7.org/fhir/reaction-event-certainty",
  "identifier" : [ {
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  "text" : {
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p>This code system <code>http://hl7.org/fhir/reaction-event-certainty</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">unlikely<a name=\"reaction-event-certainty-unlikely\"> </a></td><td>Unlikely</td><td>There is a low level of clinical certainty that the reaction was caused by the identified substance.</td></tr><tr><td style=\"white-space:nowrap\">likely<a name=\"reaction-event-certainty-likely\"> </a></td><td>Likely</td><td>There is a high level of clinical certainty that the reaction was caused by the identified substance.</td></tr><tr><td style=\"white-space:nowrap\">confirmed<a name=\"reaction-event-certainty-confirmed\"> </a></td><td>Confirmed</td><td>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.</td></tr><tr><td style=\"white-space:nowrap\">unknown<a name=\"reaction-event-certainty-unknown\"> </a></td><td>Unknown</td><td>The clinical certainty that the reaction was caused by the identified substance is unknown.  It is an explicit assertion that certainty is not known.</td></tr></table></div>",
    "status" : "generated"
  }
}