G9100

HCPCS

Onc dx gastric no recurrence

Official HCPCS Level II long descriptor

Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; post r0 resection (with or without neoadjuvant therapy) with no evidence of disease recurrence, progression, or metastases (for use in a medicare-approved demonstration project)

HCPCS Level II code G9100 is maintained by CMS and is active in the current quarterly release.

Short descriptor

Onc dx gastric no recurrence

Added to HCPCS: 2006-01-01

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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