AHA Coding Clinic® for HCPCS - 2021 Issue 1; For Your Information

The addition of modifier QW with codes 87811 and 87428

CMS has instructed that Modifier QW, CLIA waived test, is to be appended to the following HCPCS codes: HCPCS Code Code Descriptor 87811 Infectious agent antigen detection by immunoassay with direct optical (ie, visual) observation; severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) (Coronavirus disease [COVID-19]) 87428 Infectious agent antigen detection by immunoassay technique, (eg, enzyme immunoassay [EIA], enzyme-linked immunosorbent assay [ELISA], fluorescence immunoassay [FIA], immunochemiluminometric assay [IMCA]) qualitative or semiquantitative; severe acute respiratory syndrome coronavirus (eg, SARS-CoV, SARS-CoV-2 [COVID-19]) and influenza virus types A and B As of December 2, 2020, the Food and Drug Administration (FDA) issued two...

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