JW HCPCS Level II modifier: Drug amount discarded/not administered to any patient
JW is a HCPCS Level II modifier: “Drug amount discarded/not administered to any patient.” It adds this detail to the code it is reported with.
Official description
JWDrug amount discarded/not administered to any patient
Short description: Discarded drug not administe
HCPCS · United States
Medicare details
The indicators CMS publishes with JW in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Added
- Jan 1, 2003
Where JW sits
- 1GroupHCPCS modifiers
- 2Modifier JWDrug amount discarded/not administered to any patient
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code JW mean?
JW is the HCPCS code for “Drug amount discarded/not administered to any patient” in CMS’s HCPCS Level II October 2026 release.
Where is JW in the HCPCS Level II list?
JW is listed under Modifiers.
Does Medicare cover JW?
CMS lists JW’s Medicare coverage as “Carrier judgment”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside JW
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