G9537 – Imaging needed as part of a clinical trial; or other clinician ordered the study

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

Active code Carrier judgment

HCPCS codeG9537
Long description
Imaging needed as part of a clinical trial; or other clinician ordered the study
Short description
Img hd clin trial
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
Z2 Undefined codes
Added
January 1, 2016
Last change
January 1, 2021 – No change

Frequently asked questions

What is HCPCS code G9537?

G9537 is a HCPCS Level II code for imaging needed as part of a clinical trial; or other clinician ordered the study.

Does Medicare cover G9537?

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.