Keep a careful eye on your vaccination reimbursement this month. Part B practices will benefit from three new tests that you'll be able to report as "CLIA-waived," thanks to an Oct. 21 CMS transmittal on the matter. According to MLN Matters article 2321, 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: To read the complete article, which has an implementation date of Jan. 3, 2012, visit https://www.cms.gov/transmittals/downloads/R2321CP.pdf.