99417 Prolng outpatient e/m each 15 minutes
Also known as: prolonged office E/M add-on, extended outpatient additional, prolonged outpatient add-on
Prolonged office or other outpatient evaluation and management service beyond the usual service; each additional 15 minutes of physician or qualified health professional time.
In Plain Language
Additional office visit time; Extra outpatient appointment time
Clinical Context
Used to report each additional 15-minute increment of prolonged direct patient contact in office settings beyond the initial E&M code.
RVU Breakdown
| Work RVU | 0.61 |
| Total RVU | 0.61 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Billing & Documentation
E&M codes require documentation of medical decision-making (MDM) complexity or total time spent on the encounter. For 2026, time-based coding includes all physician time on the date of the encounter.
How This Code Compares
With a work RVU of 0.61, this code ranks in the 11th percentile among Evaluation & Management codes — 2.5x below the median (1.54). The highest wRVU in this category is 18.46.
Specialties
Frequently Asked Questions
What is CPT code 99417?
CPT 99417 (Prolng outpatient e/m each 15 minutes) is a Evaluation & Management code. Prolonged office or other outpatient evaluation and management service beyond the usual service; each additional 15 minutes of physician or qualified health professional time.
Who uses CPT code 99417?
CPT 99417 is used by All Specialties. Used to report each additional 15-minute increment of prolonged direct patient contact in office settings beyond the initial E&M code.
When is CPT 99417 used?
Used to report each additional 15-minute increment of prolonged direct patient contact in office settings beyond the initial E&M code.
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CPT® is a registered trademark of the American Medical Association. Data sourced from CMS Physician Fee Schedule RVU26A. Descriptions, synonyms, and clinical context are original content by RVU Edge.