CPT 99417
Prolonged office/outpatient E/M, each add'l 15 min (commercial)
CPT 99417 at a glance
- Code
- 99417
- Code type
- CPT
- Short descriptor
- Prolonged office/outpatient E/M, each add'l 15 min (commercial)
- Category
- Clinic/Office – E&M Office Visit
- ASC payment status
- Office / clinic-based
- CMS addendum
- Not on ASC addenda
- Typical setting
- Physician office or clinic (POS 11).
What is CPT code 99417?
CPT 99417 is a CPT procedure code. Its official CMS short descriptor is "Prolonged office/outpatient E/M, each add'l 15 min (commercial)". In the ASC context it is grouped under Clinic/Office – E&M Office Visit.
Is CPT 99417 payable in an ambulatory surgery center (ASC)?
CPT 99417 is typically performed in a physician office or clinic (place of service 11) rather than reimbursed as an ASC facility procedure.
Where is CPT 99417 typically performed?
Physician office or clinic (POS 11).
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.