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)
G9084 is a HCPCS Level II 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). It belongs to the Procedures and Professional Services (Temporary) section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusM
Measurement code. Used for reporting purposes only; never paid.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for G9084
- Long descriptor
- 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 descriptor
- Onc dx colon t1-3,n1-2,no pr
- Added
- January 1, 2006
- BETOS
- P7B
- Pricing indicator
- 00 — Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to G9084
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G9084 is not quite right, the correct code is very often within a few positions of it.
- G9073Oncology; disease status; invasive female breast cancer (does not include ductal carcinoma in situ); adenocarcinoma as predominant cell type; stage iiia-iiib; and not t3, n1, m0; and er and/or pr positive; with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9074Oncology; disease status; invasive female breast cancer (does not include ductal carcinoma in situ); adenocarcinoma as predominant cell type; stage iiia-iiib; and not t3, n1, m0; and er and pr negative; with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9075Oncology; disease status; invasive female breast cancer (does not include ductal carcinoma in situ); adenocarcinoma as predominant cell type; m1 at diagnosis, metastatic, locally recurrent, or progressive (for use in a medicare-approved demonstration project)
- G9077Oncology; disease status; prostate cancer, limited to adenocarcinoma as predominant cell type; t1-t2c and gleason 2-7 and psa < or equal to 20 at diagnosis with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9078Oncology; disease status; prostate cancer, limited to adenocarcinoma as predominant cell type; t2 or t3a gleason 8-10 or psa > 20 at diagnosis with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9079Oncology; disease status; prostate cancer, limited to adenocarcinoma as predominant cell type; t3b-t4, any n; any t, n1 at diagnosis with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9080Oncology; disease status; prostate cancer, limited to adenocarcinoma; after initial treatment with rising psa or failure of psa decline (for use in a medicare-approved demonstration project)
- G9083Oncology; disease status; prostate cancer, limited to adenocarcinoma; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)
- G9085Oncology; disease status; colon cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease initially established as t4, n0, m0 with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9086Oncology; disease status; colon cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease initially established as t1-4, n1-2, m0 with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9087Oncology; disease status; colon cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; m1 at diagnosis, metastatic, locally recurrent, or progressive with current clinical, radiologic, or biochemical evidence of disease (for use in a medicare-approved demonstration project)
- G9088Oncology; disease status; colon cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; m1 at diagnosis, metastatic, locally recurrent, or progressive without current clinical, radiologic, or biochemical evidence of disease (for use in a medicare-approved demonstration project)
- G9089Oncology; disease status; colon cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease unknown, staging in progress, or not listed (for use in a medicare-approved demonstration project)
- G9090Oncology; disease status; rectal cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease initially established as t1-2, n0, m0 (prior to neo-adjuvant therapy, if any) with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9091Oncology; disease status; rectal cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease initially established as t3, n0, m0 (prior to neo-adjuvant therapy, if any) with no evidence of disease progression, recurrence, or metastases (for use in a medicare-approved demonstration project)
- G9092Oncology; disease status; rectal cancer, limited to invasive cancer, adenocarcinoma as predominant cell type; extent of disease initially established as t1-3, n1-2, m0 (prior to neo-adjuvant therapy, if any) with no evidence of disease progression, recurrence or metastases (for use in a medicare-approved demonstration project)
Questions about G9084
What is HCPCS code G9084?
G9084 is a HCPCS Level II 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). It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G9084?
The CMS HCPCS file marks G9084 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is G9084 paid under the physician fee schedule?
G9084 carries PFS status code M. Measurement code. Used for reporting purposes only; never paid.