G9364 – Sinusitis caused by, or presumed to be caused by, bacterial infection
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG9364
- Long description
- Sinusitis caused by, or presumed to be caused by, bacterial infection
- Short description
- Sinus caus bac inx
- 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, 2015
- Last change
- January 1, 2015 – No change
Frequently asked questions
What is HCPCS code G9364?
G9364 is a HCPCS Level II code for sinusitis caused by, or presumed to be caused by, bacterial infection.
Does Medicare cover G9364?
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
- G9356 – Elective delivery (without medical indication) by cesarean birth or induction of labor performed (<39 weeks of gestation)
- G9357 – Post-partum screenings, evaluations and education performed
- G9358 – Post-partum screenings, evaluations and education not performed
- G9359 – Documentation of negative or managed positive tb screen with further evidence that tb is not active prior to treatment with a biologic immune response modifier
- G9360 – No documentation of negative or managed positive tb screen
- G9361 – Medical indication for delivery by cesarean birth or induction of labor (<39 weeks of gestation) [documentation of reason(s) for elective delivery (e.g., hemorrhage and placental complications, hypertension, preeclampsia and eclampsia, rupture of membranes (premature or prolonged), maternal conditions complicating pregnancy/delivery, fetal conditions complicating pregnancy/delivery, late pregnancy, prior uterine surgery, or participation in clinical trial)]
- G9362 – Duration of monitored anesthesia care (mac) or peripheral nerve block (pnb) without the use of general anesthesia during an applicable procedure 60 minutes or longer, as documented in the anesthesia record
- G9363 – Duration of monitored anesthesia care (mac) or peripheral nerve block (pnb) without the use of general anesthesia during an applicable procedure or general or neuraxial anesthesia less than 60 minutes, as documented in the anesthesia record
- G9365 – One high-risk medication ordered
- G9366 – One high-risk medication not ordered
- G9367 – At least two orders for high-risk medications from the same drug class
- G9368 – At least two orders for high-risk medications from the same drug class not ordered
- G9369 – Individual filled at least two prescriptions for any antipsychotic medication and had a pdc of 0.8 or greater
- G9370 – Individual who did not fill at least two prescriptions for any antipsychotic medication or did not have a pdc of 0.8 or greater
- G9376 – Patient continued to have the retina attached at the 6 months follow up visit (+/- 1 month) following only one surgery
- G9377 – Patient did not have the retina attached after 6 months following only one surgery
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.