HCPCS Code G9537

Imaging needed as part of a clinical trial; or other clinician ordered the study
Code effective Jan 01, 2021

HCPCS Section
Procedures/Professional Services (Temporary Codes)

G9537 is a valid 2026 HCPCS code meaning Imaging needed as part of a clinical trial; or other clinician ordered the study or (Img hd clin trial) for short. HCPCS G9537 has been effective since 01/01/2021 and applies to Medical care.

HCPCS Code Details - G9537

HCPCS Level II Code
Section G - Procedures/Professional Services (Temporary Codes)
HCPCS Code G9537
Description

Long description:
Imaging needed as part of a clinical trial; or other clinician ordered the study

Short description:
Img hd clin trial

HCPCS Pricing indicator 00 - Physician Fee Schedule And Non-Physician Practitioners - Service not separately priced by part B (e.g., services not covered, bundled, used by Part A only, etc.)
Multiple pricing indicator 9 - Not applicable as HCPCS not priced separately by part B or value is not established
Coverage code C - Carrier judgment
BETOS2 code Z2 - Undefined codes
HCPCS Action code N - No maintenance for this code
Type of service 1 - Medical care
Effective date Effective Jan 01, 2021
Date added Added Jan 01, 2016

See also

  • HCPCS G9536 · Documentation of medical reason(s) for ordering an advanced brain imaging study (i.e., patient has an abnormal neurological examination; patient has the coexistence of seizures, or both; recent onset of severe headache; change in the type of headache; signs of increased intracranial pressure (e.g., papilledema, absent venous pulsations on funduscopic examination, altered mental status, focal neurologic deficits, signs of meningeal irritation); hiv-positive patients with a new type of headache; immunocompromised patient with unexplained headache symptoms; patient on coagulopathy/anti-coagulation or anti-platelet therapy; very young patients with unexplained headache symptoms)

  • HCPCS G9538 · Advanced brain imaging (cta, ct, mra or mri) was ordered

1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).

2 BETOS stands for “Berenson-Eggers Type Of Service”

HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/5/2026

CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.