CPT 91010
Esophagus motility study
CPT 91010 at a glance
- Code
- 91010
- Code type
- CPT/HCPCS
- Short descriptor
- Esophagus motility study
- 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 91010?
CPT 91010 is a CPT/HCPCS procedure code. Its official CMS short descriptor is "Esophagus motility study". In the ASC context it is grouped under ASC Ancillary.
Is CPT 91010 payable in an ambulatory surgery center (ASC)?
CPT 91010 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 91010 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.