HCPCS Code G9835

Trastuzumab administered within 12 months of diagnosis
Code effective Jan 01, 2021

HCPCS Section
Procedures/Professional Services (Temporary Codes)

G9835 is a valid 2026 HCPCS code meaning Trastuzumab administered within 12 months of diagnosis or (Trastuz given w/in 12 mos dx) for short. HCPCS G9835 has been effective since 01/01/2021 and applies to Medical care.

HCPCS Code Details - G9835

HCPCS Level II Code
Section G - Procedures/Professional Services (Temporary Codes)
HCPCS Code G9835
Description

Long description:
Trastuzumab administered within 12 months of diagnosis

Short description:
Trastuz given w/in 12 mos dx

HCPCS Pricing indicator 00 - Physician Fee Schedule And Non-Physician Practitioners - Service not separately priced by part B (e.g., services not covered, bundled, used by Part A only, etc.)
Multiple pricing indicator 9 - Not applicable as HCPCS not priced separately by part B or value is not established
Coverage code C - Carrier judgment
BETOS2 code Z2 - Undefined codes
HCPCS Action code N - No maintenance for this code
Type of service 1 - Medical care
Effective date Effective Jan 01, 2021
Date added Added Jan 01, 2017
Termination date Dec 31, 2020

See also

  • HCPCS G9834 · Patient has metastatic disease at diagnosis

  • HCPCS G9836 · Reason for not administering trastuzumab documented (e.g. patient declined, patient died, patient transferred, contraindication or other clinical exclusion, neoadjuvant chemotherapy or radiation not complete)

1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).

2 BETOS stands for “Berenson-Eggers Type Of Service”

HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/23/2026

CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.