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)
G9346 is a HCPCS Level II code for 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). It belongs to the Procedures and Professional Services (Temporary) section. It was terminated on December 31, 2015 and is not valid on new claims.
This code has been terminated
CMS terminated G9346 on December 31, 2015. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
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.
The CMS record for G9346
- Long descriptor
- 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)
- Short descriptor
- No follow up pulm nod
- Added
- January 1, 2014
- Terminated
- December 31, 2015
- 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.
When CMS retired it.
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 G9346
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If G9346 is not quite right, the correct code is very often within a few positions of it.
- G9328Dicom format image data availability not documented in final report due to medical reasons (eg, ct studies performed for radiation treatment planning or image-guided radiation treatment delivery)terminated
- G9329Dicom format image data available to non-affiliated external healthcare facilities or entities on a secure, media free, reciprocally searchable basis with patient authorization for at least a 12-month period after the study not documented in final report, reason not giventerminated
- G9340Final report documented that dicom format image data available to non-affiliated external healthcare facilities or entities on a secure, media free, reciprocally searchable basis with patient authorization for at least a 12-month period after the studyterminated
- G9341Search conducted for prior patient ct studies completed at non-affiliated external healthcare facilities or entities within the past 12-months and are available through a secure, authorized, media-free, shared archive prior to an imaging study being performed
- G9342Search not conducted prior to an imaging study being performed for prior patient ct studies completed at non-affiliated external healthcare facilities or entities within the past 12-months and are available through a secure, authorized, media-free, shared archive, reason not given
- 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
- 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
- G9351More than one ct scan of the paranasal sinuses ordered or received within 90 days after diagnosis
- 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
Questions about G9346
What is HCPCS code G9346?
G9346 is a HCPCS Level II code for 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). It sits in the Procedures and Professional Services (Temporary) section.
Does Medicare cover G9346?
The CMS HCPCS file marks G9346 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.
Is G9346 still valid?
No. G9346 was terminated on December 31, 2015 and should not be used on new claims.