ASC Ancillary · CPT/HCPCS
HCPCS A9542
In111 ibritumomab, diagnostic
HCPCS A9542 at a glance
- Code
- A9542
- Code type
- CPT/HCPCS
- Short descriptor
- In111 ibritumomab, dx
- 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 A9542?
HCPCS A9542 is a CPT/HCPCS procedure code. Its official short descriptor is "In111 ibritumomab, dx". In the ASC context it is grouped under ASC Ancillary.
Is HCPCS A9542 eligible in an ambulatory surgery center (ASC)?
HCPCS A9542 is an ancillary service that can be provided in the ASC setting when it supports a surgical procedure.
Where is HCPCS A9542 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.