99417-Prolonged office or other outpatient evaluation and management service(s) (beyond the total time of the primary procedure which has been selected using total time), requiring total time with or without direct patient contact beyond the usual service, on the date of the primary service; each 15 minutes (List ...

How do I bill CPT 99417?

When billing the highest-level office visit based on time, you'd start using 99417 at 75 minutes for a new patient and at 55 minutes for an established patient; add-on code 99417 represents each additional 1-14 minutes of prolonged service time.

How do you bill a prolonged service?

CPT^® developed a prolonged care code, which is in the 2021 CPT^®, for each additional 15 minutes of time spent on the calendar day of service. This prolonged services code is used to report total time, both with and without direct patient contact, after the time threshold for 99205 or 99215 is met.