99416 Prolng clin staff service each add
Also known as: prolonged staff service add-on, clinical staff additional, nurse prolonged additional
Prolonged clinical staff service (the service time is performed entirely by clinical staff in the office or other outpatient setting) requiring direct patient contact; each additional 15 minutes of service after the first hour.
In Plain Language
Additional clinical staff time; Extended nursing care time
Clinical Context
Used to report each additional 15-minute increment of prolonged clinical staff direct patient contact in office settings beyond the first hour of prolonged service.
RVU Information
CPT 99416 does not have a physician work RVU assigned by CMS. Reimbursement for this code is determined by payer-specific fee schedules.
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
This code has a work RVU of 0.00, meaning it does not have a physician work component assigned by CMS. In the Evaluation & Management category, 8% of codes share this characteristic.
Specialties
Frequently Asked Questions
What is CPT code 99416?
CPT 99416 (Prolng clin staff service each add) is a Evaluation & Management code. Prolonged clinical staff service (the service time is performed entirely by clinical staff in the office or other outpatient setting) requiring direct patient contact; each additional 15 minutes of service after the first hour.
Who uses CPT code 99416?
CPT 99416 is used by All Specialties. Used to report each additional 15-minute increment of prolonged clinical staff direct patient contact in office settings beyond the first hour of prolonged service.
When is CPT 99416 used?
Used to report each additional 15-minute increment of prolonged clinical staff direct patient contact in office settings beyond the first hour of prolonged service.
Track This Code in RVU Edge
Log procedures, calculate wRVUs, and benchmark against MGMA data — all in one app.
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.