<?xml version="1.0" encoding="UTF-8"?>

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="allergyintolerance-verification"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: CodeSystem allergyintolerance-verification</b></p><a name="allergyintolerance-verification"> </a><a name="hcallergyintolerance-verification"> </a><p>This case-sensitive code system <code>http://terminology.hl7.org/CodeSystem/allergyintolerance-verification</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">unconfirmed<a name="allergyintolerance-verification-unconfirmed"> </a></td><td>Unconfirmed</td><td>A low level of certainty about the propensity for a reaction to the identified substance.</td></tr><tr><td style="white-space:nowrap">confirmed<a name="allergyintolerance-verification-confirmed"> </a></td><td>Confirmed</td><td>A high level of certainty about the propensity for a reaction to the identified substance, which may include clinical evidence by testing or rechallenge.</td></tr><tr><td style="white-space:nowrap">refuted<a name="allergyintolerance-verification-refuted"> </a></td><td>Refuted</td><td>A propensity for a reaction to the identified substance has been disputed or disproven with a sufficient level of clinical certainty to justify invalidating the assertion. This might or might not include testing or rechallenge.</td></tr><tr><td style="white-space:nowrap">entered-in-error<a name="allergyintolerance-verification-entered-in-error"> </a></td><td>Entered in Error</td><td>The statement was entered in error and is not valid.</td></tr></table></div>
  </text>
  <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="3"/>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/package-source">
    <extension url="packageId">
      <valueId value="hl7.fhir.uv.xver-r4.r4b"/>
    </extension>
    <extension url="version">
      <valueString value="0.0.1-snapshot-2"/>
    </extension>
  </extension>
  <extension url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
    <valueCode value="pc"/>
  </extension>
  <url value="http://terminology.hl7.org/CodeSystem/allergyintolerance-verification"/>
  <version value="4.0.1"/>
  <name value="AllergyIntoleranceVerificationStatusCodes"/>
  <title value="AllergyIntolerance Verification Status Codes"/>
  <status value="draft"/>
  <experimental value="false"/>
  <date value="2025-09-13T16:11:23-04:00"/>
  <publisher value="Patient Care"/>
  <contact>
    <name value="Patient Care"/>
    <telecom>
      <system value="url"/>
      <value value="http://www.hl7.org/Special/committees/patientcare"/>
    </telecom>
  </contact>
  <description value="Preferred value set for AllergyIntolerance Verification Status."/>
  <jurisdiction>
    <coding>
      <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
      <code value="001"/>
      <display value="World"/>
    </coding>
  </jurisdiction>
  <caseSensitive value="true"/>
  <valueSet value="http://hl7.org/fhir/ValueSet/allergyintolerance-verification|4.3.0"/>
  <content value="complete"/>
  <concept>
    <code value="unconfirmed"/>
    <display value="Unconfirmed"/>
    <definition value="A low level of certainty about the propensity for a reaction to the identified substance."/>
  </concept>
  <concept>
    <code value="confirmed"/>
    <display value="Confirmed"/>
    <definition value="A high level of certainty about the propensity for a reaction to the identified substance, which may include clinical evidence by testing or rechallenge."/>
  </concept>
  <concept>
    <code value="refuted"/>
    <display value="Refuted"/>
    <definition value="A propensity for a reaction to the identified substance has been disputed or disproven with a sufficient level of clinical certainty to justify invalidating the assertion. This might or might not include testing or rechallenge."/>
  </concept>
  <concept>
    <code value="entered-in-error"/>
    <display value="Entered in Error"/>
    <definition value="The statement was entered in error and is not valid."/>
  </concept>
</CodeSystem>