As the typical peak of influenza season nears, it is important to be ready to report services provided to evaluate and manage influenza and influenza-like illnesses. This article provides a refresher for reporting the related diagnoses and procedural services.

Testing for influenza in the office is often performed with a rapid test kit (eg, test strip and reagent or specimen cassette inserted into an analyzer) that provides a visual indication of the result during the encounter. Kits may test for influenza A, influenza B, or both and may provide a single result or separate results when testing for both A and B. Code 87804 (infectious agent antigen detection by immunoassay with direct optical observation; influenza) is appropriate for these tests, which are Clinical Laboratory Improvement Amendments (CLIA) waived (ie, cleared by the US Food and Drug Administration for waiver under the CLIA criteria). A payer may require modifier QW to...

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