Addition of the QW Modifier to Healthcare Common …
https://www.cms.gov/files/document/mm12093.pdf
Dec 23, 2020 · the modifier QW must be added. As of December 2, 2020, the FDA issued 2 individual EUAs for antigen detection by immunoassay with direct optical (that is, visual) observation for SARS-CoV-2 that are authorized for use at the Point of Care setting, that is, in patient care settings operating under a CLIA Certificate of Waiver.
DA: 71 PA: 24 MOZ Rank: 92