HCPCS A9556
Ga67 gallium
HCPCS A9556 at a glance
- Code
- A9556
- Code type
- CPT/HCPCS
- Short descriptor
- Ga67 gallium
- Category
- ASC Ancillary
- ASC payment status
- Payable in an ASC (ancillary)
- CMS addendum
- BB (Ancillary)
- Typical setting
- Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
What is HCPCS code A9556?
HCPCS A9556 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Ga67 gallium". In the ASC context it is grouped under ASC Ancillary.
Is HCPCS A9556 payable in an ambulatory surgery center (ASC)?
HCPCS A9556 is a covered ancillary service (CMS Addendum BB). Medicare reimburses it in the ASC setting when it is integral to a covered ASC surgical procedure.
Where is HCPCS A9556 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Reference information compiled from the CMS April 2026 ASC payment addenda (AA, BB, EE). Codes, descriptors, and ASC payment status change with each CMS update. This is a coding reference, not billing, coding, or legal advice. Always verify against the current CMS addenda and individual payer policy before billing. CPT is a registered trademark of the American Medical Association.