G9911 Clinically node negative (t1n0m0 or t2n0m0) invasive breast cancer before or after neoadjuvant systemic therapy

Short descriptor: Node neg pre/post syst ther

✓ Active HCPCS Level II 2026
Open G9911 in the app →

Look up G9911 alongside ICD-10-CM diagnoses, the HCPCS Table of Drugs, and the AI coding assistant.

G9911 is the HCPCS Level II code for Clinically node negative (t1n0m0 or t2n0m0) invasive breast cancer before or after neoadjuvant systemic therapy (2026). It belongs to Section G — Procedures / Professional Services (Temporary). Under Medicare, its coverage status is: Carrier judgment. Part B pricing methodology: Not separately priced by Part B.

Classification & CMS Attributes

Medicare Coverage
Carrier judgment (code C)
Part B Pricing
Not separately priced by Part B (indicator 00)
Type of Service
Medical care
Effective Date
2018-01-01
2026 Maintenance
No change this year

References

Cite This Page

Reference G9911 with the canonical source and edition:

G9911 — Clinically node negative (t1n0m0 or t2n0m0) invasive breast cancer before or after neoadjuvant systemic therapy. ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/G9911

Canonical URL: https://icd10codingpro.com/hcpcs-codes/G9911

Related Codes in Section G

Browse all HCPCS Level II sections →
Reviewed by Prajwal Shrestha, CPC, CRC
Certified Professional Coder (CPC) and Certified Risk Adjustment Coder (CRC) · AAPC Member ID 01997614 · About · Editorial policy · Content last reviewed: 2026-01-01

Get HCC Mappings, Clinical Summaries, and More

Access premium features including HCC risk adjustment, FDA drug indications, AI coding assistant, and comprehensive clinical context.

Start Free Trial