Can HCPCS modifier JW be billed for the discarded amount of a drug from a multi-use vial?

No, multi-use vials are not subject to payment for discarded amounts of drugs or biologicals.

For more information, see our article HCPCS Modifier JW.

CMS IOM 100-04, Medicare Claims Processing Manual, Chapter 17, Section 40 - Discarded Drugs and Biologicals (PDF, 537 KB)

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