HCPCS Code G9831

Ajcc stage at breast cancer diagnosis = ii or iii
Code effective Jan 01, 2017

HCPCS Section
Procedures/Professional Services (Temporary Codes)

G9831 is a valid 2026 HCPCS code meaning Ajcc stage at breast cancer diagnosis = ii or iii or (Ajcc stg brt ca dx ii or iii) for short. HCPCS G9831 has been effective since 01/01/2017 and applies to Medical care.


HCPCS Code Details - G9831

HCPCS Level II Code
Section G - Procedures/Professional Services (Temporary Codes)
HCPCS Code G9831
Description

Long description:
Ajcc stage at breast cancer diagnosis = ii or iii

Short description:
Ajcc stg brt ca dx ii or iii

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, 2017
Date added Added Jan 01, 2017

See also

  • HCPCS G9830 · Her-2/neu positive

  • HCPCS G9832 · Ajcc stage at breast cancer diagnosis = i (ia or ib) and t-stage at breast cancer diagnosis = t1c

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.