G9104 Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)
Short descriptor: Onc dx gastric unknown nos
Look up G9104 alongside ICD-10-CM diagnoses, the HCPCS Table of Drugs, and the AI coding assistant.
G9104 is the HCPCS Level II code for Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project) (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
- 2007-01-01
- 2026 Maintenance
- No change this year
References
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Reference G9104 with the canonical source and edition:
G9104 — Oncology; disease status; gastric cancer, limited to adenocarcinoma as predominant cell type; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project). ICD-10 Coding Pro (HCPCS Level II 2026). https://icd10codingpro.com/hcpcs-codes/G9104
Canonical URL: https://icd10codingpro.com/hcpcs-codes/G9104