This page is part of the FHIR Core Extensions Registry (v0.1.0: Releases Draft) based on FHIR v5.0.0. . For a full list of available versions, see the Directory of published versions 
: AllergyIntolerance certainty - JSON Representation
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{
"resourceType" : "CodeSystem",
"id" : "reaction-event-certainty",
"meta" : {
"lastUpdated" : "2023-01-31T07:07:38.434+11:00",
"profile" : [
"http://hl7.org/fhir/StructureDefinition/shareablecodesystem"
]
},
"text" : {
"status" : "generated",
"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>"
},
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
"valueCode" : "pc"
}
],
"url" : "http://hl7.org/fhir/reaction-event-certainty",
"identifier" : [
{
"system" : "urn:ietf:rfc:3986",
"value" : "urn:oid:2.16.840.1.113883.4.642.1.1276"
},
{
"use" : "old",
"system" : "urn:ietf:rfc:3986",
"value" : "urn:oid:2.16.840.1.113883.4.642.1.860"
},
{
"use" : "old",
"system" : "urn:ietf:rfc:3986",
"value" : "urn:oid:2.16.840.1.113883.4.642.2.54"
}
],
"version" : "0.1.0",
"name" : "AllergyIntoleranceCertainty",
"title" : "AllergyIntolerance certainty",
"status" : "draft",
"experimental" : false,
"date" : "2023-03-04T10:12:27+11:00",
"publisher" : "HL7 International / FHIR Infrastructure",
"contact" : [
{
"telecom" : [
{
"system" : "url",
"value" : "http://hl7.org/Special/committees/fhir-i"
}
]
}
],
"description" : "AllergyIntoleranceCertainty",
"jurisdiction" : [
{
"coding" : [
{
"system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
"code" : "001"
}
]
}
],
"caseSensitive" : true,
"content" : "complete",
"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."
}
]
}
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