FHIR Extensions Pack
5.1.0 - 5.1.0 (April 2024) International flag

This page is part of the FHIR Core Extensions Registry (v5.1.0: Release 5.1) based on FHIR (HL7® FHIR® Standard) v5.0.0. This is the current published version in its permanent home (it will always be available at this URL). For a full list of available versions, see the Directory of published versions

: AllergyIntolerance Certainty CodeSystem - XML Representation

Page standards status: Trial-use Maturity Level: 2

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="reaction-event-certainty"/>
  <meta>
    <lastUpdated value="2023-01-31T07:07:38.434+11:00"/>
    <profile
             value="http://hl7.org/fhir/StructureDefinition/shareablecodesystem"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p>This case-sensitive 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>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="pc"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
    <valueCode value="trial-use"/>
  </extension>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
    <valueInteger value="2"/>
  </extension>
  <url value="http://hl7.org/fhir/reaction-event-certainty"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.1.1276"/>
  </identifier>
  <identifier>
    <use value="old"/>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.1.860"/>
  </identifier>
  <identifier>
    <use value="old"/>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.2.54"/>
  </identifier>
  <version value="5.1.0"/>
  <name value="AllergyIntoleranceCertainty"/>
  <title value="AllergyIntolerance Certainty CodeSystem"/>
  <status value="draft"/>
  <experimental value="false"/>
  <date value="2024-04-27T18:40:24+10:00"/>
  <publisher value="HL7 International / Patient Care"/>
  <contact>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/patientcare"/>
    </telecom>
  </contact>
  <description value="AllergyIntoleranceCertainty"/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <content value="complete"/>
  <concept>
    <code value="unlikely"/>
    <display value="Unlikely"/>
    <definition
                value="There is a low level of clinical certainty that the reaction was caused by the identified substance."/>
  </concept>
  <concept>
    <code value="likely"/>
    <display value="Likely"/>
    <definition
                value="There is a high level of clinical certainty that the reaction was caused by the identified substance."/>
  </concept>
  <concept>
    <code value="confirmed"/>
    <display value="Confirmed"/>
    <definition
                value="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."/>
  </concept>
  <concept>
    <code value="unknown"/>
    <display value="Unknown"/>
    <definition
                value="The clinical certainty that the reaction was caused by the identified substance is unknown.  It is an explicit assertion that certainty is not known."/>
  </concept>
</CodeSystem>