G9351 — More than one ct scan of the paranasal sinuses ordered or received within 90 days after diagnosis
G9351 is a HCPCS Level II code for more than one ct scan of the paranasal sinuses ordered or received within 90 days after diagnosis. It belongs to the Procedures and Professional Services (Temporary) section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusM
Measurement code. Used for reporting purposes only; never paid.
Global period: XXX
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The CMS record for G9351
- Long descriptor
- More than one ct scan of the paranasal sinuses ordered or received within 90 days after diagnosis
- Short descriptor
- Doc >1 sinus ct w 90d dx
- Added
- January 1, 2014
- BETOS
- M5B
- Pricing indicator
- 00 — Not priced by Part B
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to G9351
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G9351 is not quite right, the correct code is very often within a few positions of it.
- G9343Due to medical reasons, search not conducted for dicom format images for prior patient ct imaging studies completed at non-affiliated external healthcare facilities or entities within the past 12 months that are available through a secure, authorized, media-free, shared archive (e.g., ct studies performed for radiation treatment planning or image-guided radiation treatment delivery)terminated
- G9344Due to system reasons search not conducted for dicom format images for prior patient ct imaging studies completed at non-affiliated external healthcare facilities or entities within the past 12 months that are available through a secure, authorized, media-free, shared archive (e.g., non-affiliated external healthcare facilities or entities does not have archival abilities through a shared archival system)
- G9345Follow-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
- G9346Follow-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)terminated
- G9347Follow-up recommendations not documented according to recommended guidelines for incidentally detected pulmonary nodules, reason not given
- G9348Ct scan of the paranasal sinuses ordered at the time of diagnosis for documented reasonsterminated
- G9349Ct scan of the paranasal sinuses ordered at the time of diagnosis or received within 28 days after date of diagnosisterminated
- G9350Ct scan of the paranasal sinuses not ordered at the time of diagnosis or received within 28 days after date of diagnosisterminated
- G9352More than one ct scan of the paranasal sinuses ordered or received within 90 days after the date of diagnosis, reason not given
- G9353More 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)
- G9354One ct scan or no ct scan of the paranasal sinuses ordered within 90 days after the date of diagnosis
- G9355Elective delivery (without medical indication) by cesarean birth or induction of labor not performed (<39 weeks of gestation)
- G9356Elective delivery (without medical indication) by cesarean birth or induction of labor performed (<39 weeks of gestation)
- G9357Post-partum screenings, evaluations and education performed
- G9358Post-partum screenings, evaluations and education not performed
- G9359Documentation of negative or managed positive tb screen with further evidence that tb is not active prior to treatment with a biologic immune response modifierterminated
Questions about G9351
What is HCPCS code G9351?
G9351 is a HCPCS Level II code for more than one ct scan of the paranasal sinuses ordered or received within 90 days after diagnosis. It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G9351?
The CMS HCPCS file marks G9351 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is G9351 paid under the physician fee schedule?
G9351 carries PFS status code M. Measurement code. Used for reporting purposes only; never paid.