HCPCS L8658
Interphalangeal joint spacer
HCPCS L8658 at a glance
- Code
- L8658
- Code type
- CPT/HCPCS
- Short descriptor
- Interphalangeal joint spacer
- 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 L8658?
HCPCS L8658 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Interphalangeal joint spacer". In the ASC context it is grouped under ASC Ancillary.
Is HCPCS L8658 payable in an ambulatory surgery center (ASC)?
HCPCS L8658 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 L8658 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.