G9138 HCPCS Level II code: Oncology; disease status; non-hodgkin's lymphoma, any cellular classification; diagnostic evaluation, stage not determined, evaluation of possible relapse or…
G9138 is the HCPCS code for “Oncology; disease status; non-hodgkin's lymphoma, any cellular classification; diagnostic evaluation, stage not determined, evaluation of possible relapse or non-response to therapy, or not listed…” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G9138Oncology; disease status; non-hodgkin's lymphoma, any cellular classification; diagnostic evaluation, stage not determined, evaluation of possible relapse or non-response to therapy, or not listed (for use in a medicare-approved demonstration project)
Short description: Onc dx nhl stg unknown
HCPCS · United States
Medicare details
The indicators CMS publishes with G9138 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, 2007
Where G9138 sits
- 1G codesProcedures and professional services
- 2Active code G9138Oncology; disease status; non-hodgkin's lymphoma, any cellular classification; diagnostic evaluation, stage not determined, evaluation of possible relapse or non-response to therapy, or not listed (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 G9138 mean?
G9138 is the HCPCS code for “Oncology; disease status; non-hodgkin's lymphoma, any cellular classification; diagnostic evaluation, stage not determined, evaluation of possible relapse or non-response to therapy, or not listed (for use in a medicare-approved demonstration project)” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G9138?
CMS lists G9138’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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