US Veterans Health Administration FHIR Map Set Implementation Guide
1.3.1 - 250401 United States of America flag

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: allergyMechanism FHIR - XML Representation

Active as of 2025-03-31

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<ValueSet xmlns="http://hl7.org/fhir">
  <id value="allergyMechanism"/>
  <text>
    <status value="extensions"/>
    <div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: ValueSet allergyMechanism</b></p><a name="allergyMechanism"> </a><a name="hcallergyMechanism"> </a><a name="allergyMechanism-en-US"> </a><ul><li>Include these codes as defined in <a href="http://hl7.org/fhir/R4/codesystem-allergy-intolerance-type.html"><code>http://hl7.org/fhir/allergy-intolerance-type</code></a><table class="none"><tr><td style="white-space:nowrap"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td><a href="http://hl7.org/fhir/R4/codesystem-allergy-intolerance-type.html#allergy-intolerance-type-allergy">allergy</a></td><td>allergy</td><td>A propensity for hypersensitive reaction(s) to a substance.  These reactions are most typically type I hypersensitivity, plus other &quot;allergy-like&quot; reactions, including pseudoallergy.</td></tr><tr><td><a href="http://hl7.org/fhir/R4/codesystem-allergy-intolerance-type.html#allergy-intolerance-type-intolerance">intolerance</a></td><td>intolerance</td><td>A propensity for adverse reactions to a substance that is not judged to be allergic or &quot;allergy-like&quot;.  These reactions are typically (but not necessarily) non-immune.  They are to some degree idiosyncratic and/or patient-specific (i.e. are not a reaction that is expected to occur with most or all patients given similar circumstances).</td></tr></table></li></ul></div>
  </text>
  <url value="http://va.gov/fhir/ValueSet/allergyMechanism"/>
  <version value="1.3.1"/>
  <name value="AllergyMechanism"/>
  <title value="allergyMechanism FHIR"/>
  <status value="active"/>
  <experimental value="false"/>
  <date value="2025-03-31T14:29:33+00:00"/>
  <publisher value="VA"/>
  <contact>
    <name value="VA"/>
    <telecom>
      <system value="url"/>
      <value value="https://www.va.gov"/>
    </telecom>
  </contact>
  <description
               value="FHIR Target ValueSet for Terminology Maps [VF_allergyMechanism](ConceptMap-VF-allergyMechanism.html)"/>
  <jurisdiction>
    <coding>
      <system value="urn:iso:std:iso:3166"/>
      <code value="US"/>
      <display value="United States of America"/>
    </coding>
  </jurisdiction>
  <compose>
    <include>
      <system value="http://hl7.org/fhir/allergy-intolerance-type"/>
      <concept>
        <code value="allergy"/>
        <display value="allergy"/>
      </concept>
      <concept>
        <code value="intolerance"/>
        <display value="intolerance"/>
      </concept>
    </include>
  </compose>
</ValueSet>