99359 Prolong serv without contact add
Also known as: prolonged service additional office, extended service add-on, prolonged add-on
Prolonged evaluation and management service in the office or other outpatient setting requiring direct patient contact beyond the usual service; each additional 30 minutes of service after the first hour.
Clinical Context
Used to report each additional 30-minute increment of prolonged direct patient contact in outpatient settings beyond the first hour of prolonged service.
RVU Breakdown
| Work RVU | 0.75 |
| Practice Expense RVU | 0.37 |
| Malpractice RVU | 0.05 |
| Total RVU | 1.17 |
Est. Medicare Payment
National estimate based on 2026 CMS PFS Conversion Factor ($33.40). Actual payment varies by locality (GPCI adjustment).
Specialties
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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.