G9771 HCPCS Level II code: At 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…
G9771 is the HCPCS code for “At 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 immediately after…” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
G9771At 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 immediately after anesthesia end time
Short description: Anes end, 1 temp >35.5(95.9)
HCPCS · United States
Medicare details
The indicators CMS publishes with G9771 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 G9771 sits
- 1G codesProcedures and professional services
- 2Active code G9771At 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 immediately after anesthesia end time
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 G9771 mean?
G9771 is the HCPCS code for “At 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 immediately after anesthesia end time” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover G9771?
CMS lists G9771’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 G9771
All G codesG9765Documentation that the patient declined change in medication or alternative therapies were unavailable, has documented contraindications, or has not been treated with a systemic…G9766Patients who are transferred from one institution to another with a known diagnosis of cva for endovascular stroke treatmentG9767Hospitalized patients with newly diagnosed cva considered for endovascular stroke treatmentG9768Patients who utilize hospice services any time during the measurement periodG9769Patient had a bone mineral density test in the past two years or received osteoporosis medication or therapy in the past 12 monthsG9770Peripheral nerve block (pnb)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.…G9777Patient did not receive at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively