• Include this list of example codes as defined in http://loinc.org
    CodeDisplay
    31859-2Influenza virus A Ag [Presence] in Specimen (General antigen test)
    80382-5Influenza virus A Ag [Presence] in Upper respiratory specimen by Rapid immunoassay
    34487-9Influenza virus A RNA [Presence] in Specimen by NAA with probe detection (PCR)
 <status value="draft"/> <experimental value="true"/> <date value="2026-01-27"/> <publisher value="HL7 International / Public Health"/> <contact> <telecom> <system value="url"/> <value value="http://www.hl7.org/Special/committees/pher"/> </telecom> </contact> <description value="This example contains a set (not all-inclusive) of influenza laboratory test names that may trigger a report when the result is positive/detected."/> <useContext> <code> <system value="http://hl7.org/fhir/us/ph-library/CodeSystem/us-ph-codesystem-usage-context-type"/> <code value="reporting"/> <display value="Reporting"/> </code> <valueCodeableConcept> <coding> <system value="http://hl7.org/fhir/us/ph-library/CodeSystem/us-ph-codesystem-usage-context"/> <code value="triggering"/> <display value="Triggering"/> </coding> </valueCodeableConcept> </useContext> <useContext> <code> <system value="http://terminology.hl7.org/CodeSystem/usage-context-type"/> <code value="focus"/> <display value="Clinical Focus"/> </code> <valueCodeableConcept> <coding> <system value="http://snomed.info/sct"/> <code value="407479009"/> <display value="Influenza A virus (organism)"/> </coding> </valueCodeableConcept> </useContext> <useContext> <code> <system value="http://hl7.org/fhir/us/ph-library/CodeSystem/us-ph-codesystem-usage-context-type"/> <code value="priority"/> <display value="Priority"/> </code> <valueCodeableConcept> <coding> <system value="http://hl7.org/fhir/us/ph-library/CodeSystem/us-ph-codesystem-usage-context"/> <code value="routine"/> <display value="Routine"/> </coding> </valueCodeableConcept> </useContext> <jurisdiction> <coding> <system value="urn:iso:std:iso:3166"/> <code value="US"/> </coding> </jurisdiction> <copyright value="This material contains content from LOINC (http://loinc.org). LOINC is copyright © 1995-2020, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license. LOINC® is a registered United States trademark of Regenstrief Institute, Inc"/> <compose> <include> <system value="http://loinc.org"/> <concept> <code value="31859-2"/> <display value="Influenza virus A Ag [Presence] in Specimen (General antigen test)"/> </concept> <concept> <code value="80382-5"/> <display value="Influenza virus A Ag [Presence] in Upper respiratory specimen by Rapid immunoassay"/> </concept> <concept> <code value="34487-9"/> <display value="Influenza virus A RNA [Presence] in Specimen by NAA with probe detection (PCR)"/> </concept> </include> </compose> </ValueSet>