ASC Ancillary · CPT/HCPCS
HCPCS A9541
Tc99m sulfur colloid
HCPCS A9541 at a glance
- Code
- A9541
- Code type
- CPT/HCPCS
- Short descriptor
- Tc99m sulfur colloid
- Category
- ASC Ancillary
- ASC eligibility
- ASC-eligible (ancillary)
- Typical setting
- Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
What is HCPCS code A9541?
HCPCS A9541 is a CPT/HCPCS procedure code. Its official short descriptor is "Tc99m sulfur colloid". In the ASC context it is grouped under ASC Ancillary.
Is HCPCS A9541 eligible in an ambulatory surgery center (ASC)?
HCPCS A9541 is an ancillary service that can be provided in the ASC setting when it supports a surgical procedure.
Where is HCPCS A9541 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Reference information about ASC eligibility and typical procedure setting. Codes, descriptors, and ASC-eligibility status change over time. This is a coding reference, not billing, coding, or legal advice. Always verify against current guidance and individual payer policy before scheduling or billing. CPT is a registered trademark of the American Medical Association.