HCPCS Level II · Procedures and professional services (temporary)
G9323Documentation of medical reason(s) for not counting previous ct and cardiac nuclear medicine (myocardial perfusion) studies (eg, ct studies performed for radiation treatment planning or image-guided radiation treatment delivery)
Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About G9323
G9323 is an HCPCS Level II code in the G series (procedures and professional services (temporary)), describing documentation of medical reason(s) for not counting previous ct and cardiac nuclear medicine (myocardial perfusion) studies (eg, ct studies performed for radiation treatment planning or image-guided radiation treatment delivery).
It was added to HCPCS effective 01/01/2014, and its current record took effect 01/01/2016.
It was terminated on 12/31/2015 and can't be billed for later dates of service.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Mdrsn no doc cnt of ct
- Date added
- 01/01/2014
- Action effective
- 01/01/2016
- Termination date
- 12/31/2015
- BETOS
- M5B
Related G93xx codes
- G9305Intervention for presence of leak of endoluminal contents through an anastomosis not required
- G9306Intervention for presence of leak of endoluminal contents through an anastomosis required
- G9307No return to the operating room for a surgical procedure, for complications of the principal operative procedure, within 30 days of the principal operative procedure
- G9308Unplanned return to the operating room for a surgical procedure, for complications of the principal operative procedure, within 30 days of the principal operative procedure
- G9309No unplanned hospital readmission within 30 days of principal procedure
- G9310Unplanned hospital readmission within 30 days of principal procedure
- G9311No surgical site infection
- G9312Surgical site infection
- G9313Amoxicillin, with or without clavulanate, not prescribed as first line antibiotic at the time of diagnosis for documented reason
- G9314Amoxicillin, with or without clavulanate, not prescribed as first line antibiotic at the time of diagnosis, reason not given
- G9315Amoxicillin, with or without clavulanate, prescribed as a first line antibiotic at the time of diagnosis
- G9316Documentation of patient-specific risk assessment with a risk calculator based on multi-institutional clinical data, the specific risk calculator used, and communication of risk assessment from risk calculator with the patient or family
Common questions about G9323
Is HCPCS G9323 still valid?
- No. G9323 was terminated on 12/31/2015.
Does Medicare cover G9323?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.