G9777 HCPCS Level II code: Patient did not receive at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively
G9777 is the HCPCS code for “Patient did not receive at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G9777Patient did not receive at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively
Short description: Pt no antiemet pre/intraop
HCPCS · United States
Medicare details
The indicators CMS publishes with G9777 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
Where G9777 sits
- 1G codesProcedures and professional services
- 2Active code G9777Patient did not receive at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively
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 G9777 mean?
G9777 is the HCPCS code for “Patient did not receive at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G9777?
CMS lists G9777’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 G9777
All G codesG9771At least 1 body temperature measurement equal to or greater than 35.5 degrees celsius (or 95.9 degrees fahrenheit) achieved within the 30 minutes immediately before or 15 minutes…G9772Documentation of medical reason(s) for not achieving at least 1 body temperature measurement equal to or greater than 35.5 degrees celsius (or 95.9 degrees fahrenheit) within the…G9773At least 1 body temperature measurement equal to or greater than 35.5 degrees celsius (or 95.9 degrees fahrenheit) not achieved within the 30 minutes immediately before or 15…G9774Patients who have had a hysterectomyG9775Patient received at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperativelyG9776Documentation of medical reason for not receiving at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively (e.g.…G9778Patients who have a diagnosis of pregnancy at any time during the measurement periodG9779Patients who are breastfeeding at any time during the performance periodG9780Patients who have a diagnosis of rhabdomyolysis at any time during the performance periodG9781Documentation of medical reason(s) for not currently being a statin therapy user or receiving an order (prescription) for statin therapy (e.g., patients with statin-associated…G9782History of or active diagnosis of familial hypercholesterolemiaG9783Documentation of patients with diabetes who have a most recent fasting or direct ldl- c laboratory test result < 70 mg/dl and are not taking statin therapy