Home
Career Stage
Medical Students Residents Attendings CPT Codes Resources Blog Support

A9556 Ga67 gallium

A Codes

Also known as: Ga-67 citrate, gallium scan

Gallium Ga-67 citrate injection used as a radiotracer for imaging infection, inflammation, and certain malignancies.

In Plain Language

infection and inflammation imaging dye; tumor detection tracer

Clinical Context

Used in nuclear medicine for detection of infection, fever of unknown origin, inflammation, and certain cancers.

RVU Information

CPT A9556 does not have a physician work RVU assigned by CMS. This is typical for supply, drug, and equipment codes — reimbursement is based on Average Sales Price (ASP), fee schedules, or payer contracts rather than the RVU system.

Billing & Documentation

HCPCS A-codes cover medical supplies, equipment, and transport services. Documentation must establish medical necessity and include a physician order. For durable medical equipment (DME), a Certificate of Medical Necessity (CMN) or detailed written order may be required.

Specialties

Nuclear MedicineInfectious DiseaseOncology

Frequently Asked Questions

What is CPT code A9556?

CPT A9556 (Ga67 gallium) is a A Codes code. Gallium Ga-67 citrate injection used as a radiotracer for imaging infection, inflammation, and certain malignancies.

Does Medicare cover A9556?

Medicare coverage for A9556 depends on medical necessity and applicable Local Coverage Determinations (LCDs). Used in nuclear medicine for detection of infection, fever of unknown origin, inflammation, and certain cancers. A physician order is typically required.

When is CPT A9556 used?

Used in nuclear medicine for detection of infection, fever of unknown origin, inflammation, and certain cancers.

Track This Code in RVU Edge

Log procedures, calculate wRVUs, and benchmark against national data — all in one app.

CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.