This page is part of the HL7 Terminology (v1.0.0: Release) based on FHIR R4. The current version which supercedes this version is 5.2.0. For a full list of available versions, see the Directory of published versions

AllergyIntoleranceCertainty - XML Representation

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<CodeSystem xmlns="http://hl7.org/fhir">
  <id value="reaction-event-certainty"/>
  <meta>
    <lastUpdated value="2020-04-09T21:10:28.568+00:00"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">
            
      <h2>AllergyIntoleranceCertainty</h2>
            
      <div>
              
        <p>Statement about the degree of clinical certainty that a specific substance was the cause of the manifestation in a reaction event.</p>

            
      </div>
            
      <p>This code system http://terminology.hl7.org/CodeSystem/reaction-event-certainty 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>
  <url value="http://terminology.hl7.org/CodeSystem/reaction-event-certainty"/>
  <identifier>
    <system value="urn:ietf:rfc:3986"/>
    <value value="urn:oid:2.16.840.1.113883.4.642.1.1276"/>
  </identifier>
  <version value="4.2.0"/>
  <name value="AllergyIntoleranceCertainty"/>
  <title value="AllergyIntoleranceCertainty"/>
  <status value="draft"/>
  <experimental value="false"/>
  <date value="2020-04-09T21:10:28+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="Statement about the degree of clinical certainty that a specific substance was the cause of the manifestation in a reaction event."/>
  <caseSensitive value="true"/>
  <valueSet value="http://terminology.hl7.org/ValueSet/reaction-event-certainty"/>
  <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>