Medicare Program JW Modifier: Drug/Biological Amount Discarded/Not Administered To Any Patient Frequently Asked Questions
Policy: Effective January 1, 2017, providers and suppliers are required to report the JW modifier on Part B drug claims for discarded drugs and biologicals. Also, providers and suppliers must
document the amount of discarded drugs or biologicals in Medicare beneficiaries’ medical records.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: July 26, 2023
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