G3001 HCPCS Level II code: Administration and supply of tositumomab, 450 mg

CMS terminated G3001: its last date of service was Dec 31, 2016. It stays here for looking up older claims; newer services need a current code.

Official description

G3001

Administration and supply of tositumomab, 450 mg

Short description: Admin + supply, tositumomab

HCPCS · United States

Medicare details

The indicators CMS publishes with G3001 in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Carrier judgment
Medicare pricing
Physician fee schedule – Price established by carriers (e.g., not otherwise classified, individual determination, carrier discretion)
Type of service
Medical care
BETOS category
Other tests - other
Added
Jul 1, 2003
Terminated after
Dec 31, 2016

Where G3001 sits

  1. 1G codesProcedures and professional services
  2. 2Terminated G3001Administration and supply of tositumomab, 450 mg

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

Is HCPCS code G3001 still valid?

No. CMS terminated G3001; its last date of service was Dec 31, 2016. It is listed for looking up services from before then. Use a current code for newer services.

Does Medicare cover G3001?

CMS lists G3001’s Medicare coverage as “Carrier judgment” and its pricing as “Physician fee schedule – Price established by carriers (e.g., not otherwise classified, individual determination, carrier discretion)”. 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.

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