CMS Updates Guidance on the Reporting of Modifier JW for Discarded Drugs Not Administered

CMS continues to instruct physicians, hospitals or other providers or suppliers to append modifier JW, Discarded drug not administered , should it be necessary to discard the remainder of a single use vial or other single use package after administering a dose/quantity of the drug or biological to a Medicare patient. Modifier JW identifies the unused drug or biologicals from single use vials or single use packages that are appropriately discarded. For example, a single use vial that is labeled to contain 100 units of a drug has 95 units administered to the patient and 5 units discarded. The 95...

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Note:  The following article synopsis was NOT provided by the AHA. It was created by Find-A-Code/innoviHealth.

Article Overview

This article explains CMS guidance on the reporting of modifier JW in situations involving discarded amounts from single-use vials or packages. It is relevant to physicians, hospitals, and other providers or suppliers that bill Medicare for drugs or biologicals and need to understand the general reporting framework discussed by CMS.

Why This Topic Matters

Accurate reporting of discarded drug amounts affects billing compliance for Medicare claims involving single-use drug packaging. The article helps providers understand the general CMS guidance covered in the premium content without revealing the full instructional details.

What You Will Learn

  • How CMS addresses reporting of discarded drug or biological amounts
  • Which provider types the guidance is directed toward
  • The general billing context for single-use vials and packages
  • Why discarded quantities can affect Medicare claim reporting

Who Should Read This

  • Physicians
  • Hospitals
  • Other providers and suppliers
  • Medical coders
  • Billing staff
  • Compliance teams

Modifiers Discussed


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