Order Catalog Implementation Guide
1.0.0 - STU 1

Order Catalog Implementation Guide, published by HL7 International / Orders and Observations. This guide is not an authorized publication; it is the continuous build for version 1.0.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-order-catalog/ and changes regularly. See the Directory of published versions

## : Example Interaction - XML Representation

Page standards status: Informative

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    <ClinicalUseDefinition xmlns="http://hl7.org/fhir">
      <id value="example-interaction"/>
      <meta>
        <profile
                 value="http://hl7.org/fhir/uv/order-catalog/StructureDefinition/InteractionDefinition"/>
      </meta>
      <language value="en-US"/>
      <text>
        <status value="generated"/>
        <div xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US" lang="en-US">
                <p>Drug interaction: Clarithromycin and Warfarin - increased anticoagulant effect</p>
            </div>
      </text>
      <type value="interaction"/>
      <interaction>
        <interactant>
          <itemCodeableConcept>
            <coding>
              <system value="http://snomed.info/sct"/>
              <code value="387487009"/>
              <display value="Clarithromycin"/>
            </coding>
          </itemCodeableConcept>
        </interactant>
        <interactant>
          <itemCodeableConcept>
            <coding>
              <system value="http://snomed.info/sct"/>
              <code value="372756006"/>
              <display value="Warfarin"/>
            </coding>
          </itemCodeableConcept>
        </interactant>
        <type>
          <coding>
            <system value="http://hl7.org/fhir/interaction-type"/>
            <code value="drug-drug"/>
            <display value="drug to drug interaction"/>
          </coding>
        </type>
        <effect>
          <concept>
            <coding>
              <system value="http://snomed.info/sct"/>
              <code value="419511003"/>
              <display value="Propensity to adverse reactions to drug"/>
            </coding>
            <text value="Increased anticoagulant effect and risk of bleeding"/>
          </concept>
        </effect>
      </interaction>
    </ClinicalUseDefinition>