G9353 – More than one ct scan of the paranasal sinuses ordered or received within 90 days after the date of diagnosis for documented reasons (eg, patients with complications, second ct obtained prior to surgery, other medical reasons)
HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)
HCPCS codeG9353
- Long description
- More than one ct scan of the paranasal sinuses ordered or received within 90 days after the date of diagnosis for documented reasons (eg, patients with complications, second ct obtained prior to surgery, other medical reasons)
- Short description
- Medrsn >1 sinus ct w 90d dx
- 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
M5BSpecialist - psychiatry- Added
- January 1, 2014
- Last change
- January 1, 2014 – No change
Frequently asked questions
What is HCPCS code G9353?
G9353 is a HCPCS Level II code for more than one ct scan of the paranasal sinuses ordered or received within 90 days after the date of diagnosis for documented reasons (eg, patients with complications, second ct obtained prior to surgery, other medical reasons).
Does Medicare cover G9353?
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
- G9345 – Follow-up recommendations documented according to recommended guidelines for incidentally detected pulmonary nodules (e.g., follow-up ct imaging studies needed or that no follow-up is needed) based at a minimum on nodule size and patient risk factors
- G9346 – Follow-up recommendations not documented according to recommended guidelines for incidentally detected pulmonary nodules due to medical reasons (e.g., patients with known malignant disease, patients with unexplained fever, ct studies performed for radiation treatment planning or image-guided radiation treatment delivery)
- G9347 – Follow-up recommendations not documented according to recommended guidelines for incidentally detected pulmonary nodules, reason not given
- G9348 – Ct scan of the paranasal sinuses ordered at the time of diagnosis for documented reasons
- G9349 – Ct scan of the paranasal sinuses ordered at the time of diagnosis or received within 28 days after date of diagnosis
- G9350 – Ct scan of the paranasal sinuses not ordered at the time of diagnosis or received within 28 days after date of diagnosis
- G9351 – More than one ct scan of the paranasal sinuses ordered or received within 90 days after diagnosis
- G9352 – More than one ct scan of the paranasal sinuses ordered or received within 90 days after the date of diagnosis, reason not given
- G9354 – One ct scan or no ct scan of the paranasal sinuses ordered within 90 days after the date of diagnosis
- G9355 – Elective delivery (without medical indication) by cesarean birth or induction of labor not performed (<39 weeks of gestation)
- 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)]
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.