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QW Modifier with G0434

Pauline Posted Thu 13th of September, 2012 12:44:44 PM

G0434 is a CLIA waived code, is the QW modifier needed?

SuperCoder Answered Thu 13th of September, 2012 13:51:04 PM

Labs will have 16 new tests that you’ll be able to report as “CLIA-waived,” thanks to a Feb. 11 CMS transmittal on the matter. According to MLN Matters article MM7266, CMS will now consider these tests CLIA-waived.

You’ll have to append modifier QW (CLIA-waived test) to these codes, which include the following, among others:

87880 -- BTNX, Inc. Strep A Rapid Test
86308 -- Consult Diagnostics Mononucleosis Cassette (Whole Blood)
82274 and G0328 -- BTNX, Inc. Rapid Response Fecal Immunochemical Test
G0434 -- Amedica Biotech AmediCheck Instant Test Cup
G0434 -- On the Spot Drug Testing Multi-Drug of Abuse Urine Test
To read the complete list of new CLIA-waived tests, visit

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