Consolidated CDA Release 2.1 StructureDefinition Publication
2.1 - CI Build

Consolidated CDA Release 2.1 StructureDefinition Publication, published by Health Level Seven. This is not an authorized publication; it is the continuous build for version 2.1). This version is based on the current content of https://github.com/HL7/CDA-ccda-2.1-sd/ and changes regularly. See the Directory of published versions

## Example Binary: Allergy Intolerance Observation Example

This content is an example of the Allergy - Intolerance Observation Logical Model and is not a FHIR Resource

    <observation classCode="OBS" moodCode="EVN" xmlns="urn:hl7-org:v3" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
      <!-- ** Allergy observation ** -->
      <templateId root="2.16.840.1.113883.10.20.22.4.7" extension="2014-06-09" />
      <id root="901db0f8-9355-4794-81cd-fd951ef07917" />
      <code code="ASSERTION" codeSystem="2.16.840.1.113883.5.4" />
      <!-- Observation statusCode represents the status of the act of observing -->
      <statusCode code="completed" />
      <effectiveTime>
        <!-- The low value reflects the date of onset of the allergy -->
        <low nullFlavor="UNK" />
        <!-- The high value reflects when the allergy was known to be resolved
                (and will generally be absent) -->
      </effectiveTime>
      <value xsi:type="CD" code="419199007" displayName="Allergy to substance" codeSystem="2.16.840.1.113883.6.96" codeSystemName="SNOMED CT" />
      <author>
        <time value="201010110915-0800" />
        <assignedAuthor>
          <id extension="222223333" root="1.1.1.1.1.1.1.3" />
        </assignedAuthor>
      </author>
      <participant typeCode="CSM">
        <participantRole classCode="MANU">
          <playingEntity classCode="MMAT">
            <code code="2670" displayName="Codeine" codeSystem="2.16.840.1.113883.6.88" codeSystemName="RxNorm" />
          </playingEntity>
        </participantRole>
      </participant>
      <entryRelationship typeCode="MFST" inversionInd="true">
        <observation classCode="OBS" moodCode="EVN">
          <!-- ** Reaction observation ** -->
          <templateId root="2.16.840.1.113883.10.20.22.4.9" extension="2014-06-09" />
          <id root="38c63dea-1a43-4f84-ab71-1ffd04f6a1dd" />
          <code code="ASSERTION" codeSystem="2.16.840.1.113883.5.4" />
          <text>
            <reference value="#reaction2" />
          </text>
          <statusCode code="completed" />
          <effectiveTime>
            <low nullFlavor="UNK" />
          </effectiveTime>
          <value xsi:type="CD" code="56018004" displayName="Wheezing" codeSystem="2.16.840.1.113883.6.96" codeSystemName="SNOMED CT" />
        </observation>
      </entryRelationship>
      <entryRelationship typeCode="SUBJ" inversionInd="true">
        <observation classCode="OBS" moodCode="EVN">
          <!-- ** Severity observation ** -->
          <templateId root="2.16.840.1.113883.10.20.22.4.8" extension="2014-06-09" />
          <code code="SEV" displayName="Severity Observation" codeSystem="2.16.840.1.113883.5.4" codeSystemName="ActCode" />
          <text>
            <reference value="#allergyseverity2" />
          </text>
          <statusCode code="completed" />
          <value xsi:type="CD" code="255604002" displayName="Mild" codeSystem="2.16.840.1.113883.6.96" codeSystemName="SNOMED CT" />
        </observation>
      </entryRelationship>
    </observation>