G9825 HCPCS Level II code: Her-2/neu negative or undocumented/unknown
CMS terminated G9825: its last date of service was Dec 31, 2020. It stays here for looking up older claims; newer services need a current code.
Official description
G9825Her-2/neu negative or undocumented/unknown
Short description: Her-2 neg,undoc/unkn
HCPCS · United States
Medicare details
The indicators CMS publishes with G9825 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
- Undefined codes
- Added
- Jan 1, 2017
- Terminated after
- Dec 31, 2020
Where G9825 sits
- 1G codesProcedures and professional services
- 2Terminated G9825Her-2/neu negative or undocumented/unknown
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
Is HCPCS code G9825 still valid?
No. CMS terminated G9825; its last date of service was Dec 31, 2020. It is listed for looking up services from before then. Use a current code for newer services.
Does Medicare cover G9825?
CMS lists G9825’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.
Codes beside G9825
All G codesG9819Patients who use hospice services any time during the measurement periodG9820Documentation of a chlamydia screening test with proper follow-upG9821No documentation of a chlamydia screening test with proper follow-upG9822Patients who had an endometrial ablation procedure during the 12 months prior to the index date (exclusive of the index date)G9823Endometrial sampling or hysteroscopy with biopsy and results documented during the 12 months prior to the index date (exclusive of the index date) of the endometrial ablationG9824Endometrial sampling or hysteroscopy with biopsy and results not documented during the 12 months prior to the index date (exclusive of the index date) of the endometrial ablationG9826Patient transferred to practice after initiation of chemotherapyG9827Her2-targeted therapies not administered during the initial course of treatmentG9828Her2-targeted therapies administered during the initial course of treatmentG9829Breast adjuvant chemotherapy administeredG9830Her-2/neu positiveG9831Ajcc stage at breast cancer diagnosis = ii or iii