G9835 – Trastuzumab administered within 12 months of diagnosis

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Discontinued December 31, 2020 Carrier judgment

HCPCS codeG9835
Long description
Trastuzumab administered within 12 months of diagnosis
Short description
Trastuz given w/in 12 mos dx
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
Z2 Undefined codes
Added
January 1, 2017
Last change
January 1, 2021 – No change
Termination date
December 31, 2020

Frequently asked questions

What is HCPCS code G9835?

G9835 is a HCPCS Level II code for trastuzumab administered within 12 months of diagnosis. It was discontinued on December 31, 2020.

Does Medicare cover G9835?

The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.

Nearby G codes

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.