AllergyIntoleranceCertainty

{
  "description" : "Statement about the degree of clinical certainty that a specific substance was the cause of the manifestation in a reaction event.",
  "date" : "2026-03-05",
  "meta" : {
    "lastUpdated" : "2020-04-09T21:10:28.568+00:00"
  },
  "publisher" : "Health Level Seven International",
  "content" : "complete",
  "property" : null,
  "name" : "AllergyIntoleranceCertainty",
  "copyright" : "This material derives from the HL7 Terminology (THO). THO is copyright ©1989+ Health Level Seven International and is made available under the CC0 designation. For more licensing information see: https://terminology.hl7.org/license.html",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "AllergyIntoleranceCertainty",
  "extension" : [ {
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      "url" : "path"
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      "url" : "count",
      "valueInteger" : 4
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    "url" : "http://health-samurai.io/extensions/excised-data"
  }, {
    "url" : "http://health-samurai.io/extensions/source",
    "valueCode" : "db"
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  "status" : "active",
  "language" : "en",
  "id" : "reaction-event-certainty",
  "valueSet" : "http://terminology.hl7.org/ValueSet/reaction-event-certainty",
  "url" : "http://terminology.hl7.org/CodeSystem/reaction-event-certainty",
  "identifier" : [ {
    "system" : "urn:ietf:rfc:3986",
    "value" : "urn:oid:2.16.840.1.113883.4.642.1.1276"
  } ],
  "caseSensitive" : true,
  "version" : "2.0.0",
  "contact" : [ {
    "telecom" : [ {
      "system" : "url",
      "value" : "http://hl7.org"
    }, {
      "system" : "email",
      "value" : "hq@HL7.org"
    } ]
  } ],
  "text" : {
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem reaction-event-certainty</b></p><a name=\"reaction-event-certainty\"> </a><a name=\"hcreaction-event-certainty\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Last updated: 2020-04-09 21:10:28+0000; Language: en</p></div><p>This case-sensitive code system <code>http://terminology.hl7.org/CodeSystem/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"
  }
}