G9911

HCPCS

Node neg pre/post syst ther

Official HCPCS Level II long descriptor

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

HCPCS Level II code G9911 is maintained by CMS and is active in the current quarterly release.

Short descriptor

Node neg pre/post syst ther

Added to HCPCS: 2018-01-01

Nearby codes in G9

Where this code sits

HCPCS Level II G9 codes

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Source

HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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