For Medicare Clinical Laboratory Fee Schedule, go to www.cms.hhs.gov.
*QW modifier is added to report use of CLIA-waived test system(s) for Medicare/Medicaid claims.
CMS has set the effective date for the addition of the QW modifier with 87420 and 87430 as October 6, 2020 and an implementation date of July 6, 2021. That means Medicare/Medicaid have until July 6, 2021 to update their systems to accept the QW modifier with these codes. We recommend customers check with their payers prior to submitting claims to verify if their system has been updated.
Effective January 1, 2010, CPT 81025 DOES NOT require a QW modifier to be recognized as a waived test. Source: CMS Job Aid 6685.
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