G9084 HCPCS Level II code: Oncology; disease status; colon cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease initially established as t1-3…

G9084 is the HCPCS code for “Oncology; disease status; colon cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease initially established as t1-3, n0, m0 with no evidence of disease…” in CMS’s October 2026 release, in effect from Oct 1, 2026.

Official description

G9084

Oncology; disease status; colon cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease initially established as t1-3, n0, m0 with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)

Short description: Onc dx colon t1-3,n1-2,no pr

HCPCS · United States

Medicare details

The indicators CMS publishes with G9084 in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Carrier judgment
Medicare pricing
Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
Type of service
Medical care
BETOS category
Oncology - other
Added
Jan 1, 2006

Where G9084 sits

  1. 1G codesProcedures and professional services
  2. 2Active code G9084Oncology; disease status; colon cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease initially established as t1-3, n0, m0 with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)

Source and release

Data release
HCPCS Level II · October 2026
Effective date
Oct 1, 2026
Publisher
CMS

This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

Frequently asked questions

What does HCPCS code G9084 mean?

G9084 is the HCPCS code for “Oncology; disease status; colon cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease initially established as t1-3, n0, m0 with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)” in CMS’s HCPCS Level II October 2026 release.

Does Medicare cover G9084?

CMS lists G9084’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.

Which HCPCS Level II release does this page use?

It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

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