G9198 HCPCS Level II code: Order for first or second generation cephalosporin for antimicrobial prophylaxis was not documented, reason not given
CMS terminated G9198: its last date of service was Dec 31, 2022. It stays here for looking up older claims; newer services need a current code.
Official description
G9198Order for first or second generation cephalosporin for antimicrobial prophylaxis was not documented, reason not given
Short description: No order for ceph no reason
HCPCS · United States
Medicare details
The indicators CMS publishes with G9198 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
- Specialist - psychiatry
- Added
- Jan 1, 2014
- Terminated after
- Dec 31, 2022
Where G9198 sits
- 1G codesProcedures and professional services
- 2Terminated G9198Order for first or second generation cephalosporin for antimicrobial prophylaxis was not documented, reason not given
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 G9198 still valid?
No. CMS terminated G9198; its last date of service was Dec 31, 2022. It is listed for looking up services from before then. Use a current code for newer services.
Does Medicare cover G9198?
CMS lists G9198’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 G9198
All G codesG9192Documentation of system reason(s) for not prescribing beta-blocker therapy (eg, other reasons attributable to the health care system)G9193Clinician documented that patient with a diagnosis of major depression was not an eligible candidate for antidepressant medication treatment or patient did not have a diagnosis…G9194Patient with a diagnosis of major depression documented as being treated with antidepressant medication during the entire 180 day (6 month) continuation treatment phaseG9195Patient with a diagnosis of major depression not documented as being treated with antidepressant medication during the entire 180 day (6 months) continuation treatment phaseG9196Documentation of medical reason(s) for not ordering a first or second generation cephalosporin for antimicrobial prophylaxis (e.g., patients enrolled in clinical trials, patients…G9197Documentation of order for first or second generation cephalosporin for antimicrobial prophylaxisG9199Venous thromboembolism (vte) prophylaxis not administered the day of or the day after hospital admission for documented reasons (eg, patient is ambulatory, patient expired during…G9200Venous thromboembolism (vte) prophylaxis was not administered the day of or the day after hospital admission, reason not givenG9201Venous thromboembolism (vte) prophylaxis administered the day of or the day after hospital admissionG9202Patients with a positive hepatitis c antibody testG9203Rna testing for hepatitis c documented as performed within 12 months prior to initiation of antiviral treatment for hepatitis cG9204Rna testing for hepatitis c was not documented as performed within 12 months prior to initiation of antiviral treatment for hepatitis c, reason not given