Genomics Reporting Implementation Guide
3.0.0 - STU3 International flag

This page is part of the Genetic Reporting Implementation Guide (v3.0.0: STU3) based on FHIR (HL7® FHIR® Standard) R4. This is the current published version. For a full list of available versions, see the Directory of published versions

: TxImp05 - XML Representation

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<Observation xmlns="http://hl7.org/fhir">
  <id value="TxImp05"/>
  <meta>
    <profile
             value="http://hl7.org/fhir/uv/genomics-reporting/StructureDefinition/therapeutic-implication"/>
  </meta>
  <text>
    <status value="generated"/>
    <div xmlns="http://www.w3.org/1999/xhtml">Poor metabolizer of Amitriptyline</div>
  </text>
  <extension
             url="http://hl7.org/fhir/StructureDefinition/workflow-relatedArtifact">
    <valueRelatedArtifact>
      <type value="citation"/>
      <url
           value="https://cpicpgx.org/guidelines/guideline-for-tricyclic-antidepressants-and-cyp2d6-and-cyp2c19/"/>
    </valueRelatedArtifact>
  </extension>
  <status value="final"/>
  <category>
    <coding>
      <system
              value="http://terminology.hl7.org/CodeSystem/observation-category"/>
      <code value="laboratory"/>
    </coding>
  </category>
  <category>
    <coding>
      <system value="http://terminology.hl7.org/CodeSystem/v2-0074"/>
      <code value="GE"/>
    </coding>
  </category>
  <code>
    <coding>
      <system
              value="http://hl7.org/fhir/uv/genomics-reporting/CodeSystem/tbd-codes-cs"/>
      <code value="therapeutic-implication"/>
    </coding>
  </code>
  <subject>🔗 
    <reference value="Patient/CGPatientExample01"/>
  </subject>
  <effectiveDateTime value="2019-04-01"/>
  <performer>🔗 
    <reference value="Organization/ExampleOrg"/>
  </performer>
  <derivedFrom>🔗 
    <reference value="Observation/Pgx-geno-1001"/>
  </derivedFrom>
  <component>
    <code>
      <coding>
        <system value="http://loinc.org"/>
        <code value="51963-7"/>
      </coding>
    </code>
    <valueCodeableConcept>
      <coding>
        <system value="http://www.nlm.nih.gov/research/umls/rxnorm"/>
        <code value="704"/>
        <display value="amitriptyline"/>
      </coding>
    </valueCodeableConcept>
  </component>
  <component>
    <code>
      <coding>
        <system
                value="http://hl7.org/fhir/uv/genomics-reporting/CodeSystem/tbd-codes-cs"/>
        <code value="therapeutic-implication"/>
      </coding>
    </code>
    <valueCodeableConcept>
      <coding>
        <system value="http://loinc.org"/>
        <code value="LA9657-3"/>
        <display value="Poor metabolizer"/>
      </coding>
    </valueCodeableConcept>
  </component>
  <component>
    <code>
      <coding>
        <system
                value="http://hl7.org/fhir/uv/genomics-reporting/CodeSystem/tbd-codes-cs"/>
        <code value="conclusion-string"/>
      </coding>
    </code>
    <valueString
                 value="For amitriptyline, a 50% reduction in starting dose is recommended with therapeutic drug monitoring to guide dose adjustment. Refer to current guidelines for dosage and recommendations at https://cpicpgx.org/guidelines/guideline-for- tricyclic-antidepressants-and-cyp2d6-and-cyp2c19/. If CYP2D6 genotyping is available, refer to the current guidelines for dosing recommendations."/>
  </component>
</Observation>