G9773 – At 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 minutes immediately after anesthesia end time, reason not given
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG9773
- Long description
- At 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 minutes immediately after anesthesia end time, reason not given
- Short description
- 1 bod temp >=35.5
- Pricing indicator
00Not separately priced by Part B (bundled, not covered or Part A only)- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
Z2Undefined codes- Added
- January 1, 2017
- Last change
- January 1, 2024 – No change
Frequently asked questions
What is HCPCS code G9773?
G9773 is a HCPCS Level II code for at 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 minutes immediately after anesthesia end time, reason not given.
Does Medicare cover G9773?
The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby G codes
- G9765 – Documentation that the patient declined change in medication or alternative therapies were unavailable, has documented contraindications, or has not been treated with a systemic medication for at least six consecutive months (e.g., experienced adverse effects or lack of efficacy with all other therapy options) in order to achieve better disease control as measured by pga, bsa, pasi, or dlqi
- G9766 – Patients who are transferred from one institution to another with a known diagnosis of cva for endovascular stroke treatment
- G9767 – Hospitalized patients with newly diagnosed cva considered for endovascular stroke treatment
- G9768 – Patients who utilize hospice services any time during the measurement period
- G9769 – Patient had a bone mineral density test in the past two years or received osteoporosis medication or therapy in the past 12 months
- G9770 – Peripheral nerve block (pnb)
- G9771 – 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
- G9772 – Documentation 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 30 minutes immediately before or 15 minutes immediately after anesthesia end time (e.g., emergency cases, intentional hypothermia, etc.)
- G9774 – Patients who have had a hysterectomy
- G9775 – Patient received at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively
- G9776 – Documentation of medical reason for not receiving at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively (e.g., intolerance or other medical reason)
- G9777 – Patient did not receive at least 2 prophylactic pharmacologic anti-emetic agents of different classes preoperatively and/or intraoperatively
- G9778 – Patients who have a diagnosis of pregnancy at any time during the measurement period
- G9779 – Patients who are breastfeeding at any time during the performance period
- G9780 – Patients who have a diagnosis of rhabdomyolysis at any time during the performance period
- G9781 – Documentation 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 muscle symptoms or an allergy to statin medication therapy, patients who are receiving palliative or hospice care, patients with active liver disease or hepatic disease or insufficiency, patients with end stage renal disease [esrd], or other medical reasons)
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.