G9323 – 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)

HCPCS Level II code · G codes: Procedures / Professional Services (Temporary)

Discontinued December 31, 2015 Carrier judgment

HCPCS codeG9323
Long description
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)
Short description
Mdrsn no doc cnt of ct
Pricing indicator
00 Not separately priced by Part B (bundled, not covered or Part A only)
Medicare coverage
C Carrier judgment – coverage decided by the Medicare contractor
BETOS category
M5B Specialist - psychiatry
Added
January 1, 2014
Last change
January 1, 2016 – No change
Termination date
December 31, 2015

Frequently asked questions

What is HCPCS code G9323?

G9323 is a HCPCS Level II code for 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 discontinued on December 31, 2015.

Does Medicare cover G9323?

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

Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.