Release 4

Codesystem-allergy-intolerance-type.xml

Patient Care Work GroupMaturity Level: N/AStandards Status: Informative

Raw XML (canonical form + also see XML Format Specification)

Definition for Code System AllergyIntoleranceType

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

<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="allergy-intolerance-type"/> 
  <meta> 
    <lastUpdated value="2021-01-21T15:34:20.265+00:00"/> 
  </meta> 
  <text> 
    <status value="generated"/> 
    <div xmlns="http://www.w3.org/1999/xhtml">
      <h2> AllergyIntoleranceType</h2> 
      <div> 
        <p> Identification of the underlying physiological mechanism for a Reaction Risk.</p> 

      </div> 
      <p> This code system http://hl7.org/fhir/allergy-intolerance-type 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">allergy
            <a name="allergy-intolerance-type-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 style="white-space:nowrap">intolerance
            <a name="allergy-intolerance-type-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> 
    </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="3"/> 
  </extension> 
  <url value="http://hl7.org/fhir/allergy-intolerance-type"/> 
  <identifier> 
    <system value="urn:ietf:rfc:3986"/> 
    <value value="urn:oid:2.16.840.1.113883.4.642.4.132"/> 
  </identifier> 
  <version value="4.0.1"/> 
  <name value="AllergyIntoleranceType"/> 
  <title value="AllergyIntoleranceType"/> 
  <status value="draft"/> 
  <experimental value="false"/> 
  <date value="2021-01-21T15:34:20+00:00"/> 
  <publisher value="HL7 (FHIR Project)"/> 
  <contact> 
    <telecom> 
      <system value="url"/> 
      <value value="http://hl7.org/fhir"/> 
    </telecom> 
    <telecom> 
      <system value="email"/> 
      <value value="fhir@lists.hl7.org"/> 
    </telecom> 
  </contact> 
  <description value="Identification of the underlying physiological mechanism for a Reaction Risk."/> 
  <caseSensitive value="true"/> 
  <valueSet value="http://hl7.org/fhir/ValueSet/allergy-intolerance-type"/> 
  <content value="complete"/> 
  <concept> 
    <code value="allergy"/> 
    <display value="Allergy"/> 
    <definition value="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."/> 
  </concept> 
  <concept> 
    <code value="intolerance"/> 
    <display value="Intolerance"/> 
    <definition value="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)."/> 
  </concept> 
</CodeSystem> 

Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.