CPT 93318
Echo transesophageal intraop
CPT 93318 at a glance
- Code
- 93318
- Code type
- CPT/HCPCS
- Short descriptor
- Echo transesophageal intraop
- 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 CPT code 93318?
CPT 93318 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Echo transesophageal intraop". In the ASC context it is grouped under ASC Ancillary.
Is CPT 93318 payable in an ambulatory surgery center (ASC)?
CPT 93318 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 CPT 93318 typically performed?
Ambulatory surgery center (POS 24) or hospital outpatient department (POS 22).
Which specialties use CPT 93318?
CPT 93318 is most associated with Cardiovascular Disease, Interventional Cardiology.
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.