CPT 99417
Prolonged office/outpatient e/M, each add'l 15 min (commercial)
Last reviewed August 2026 · DataLily AI data team
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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 eligibility
- Office / clinic-based
- Typical setting
- Physician office or clinic (POS 11).
What is CPT code 99417?
CPT 99417 is a CPT procedure code for prolonged office/outpatient e/M, each add'l 15 min (commercial). Its official 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 eligible in an ambulatory surgery center (ASC)?
CPT 99417 is typically performed in a physician office or clinic (place of service 11) rather than in an ambulatory surgery center.
Where is CPT 99417 typically performed?
Physician office or clinic (POS 11).
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. Read the DataLily AI data methodology.