Reviewed by certified coders + a maternal-fetal medicine physician / Updated for 2026
OB Coding Guide

The modifiers OB billing runs on

The short answer

Five modifiers do most of the work in OB billing: 95 flags synchronous telehealth, 25 defends a significant same-day E/M, 59 separates distinct procedures, and 26/TC split imaging into professional and technical components.

Source: NCCISource: CPT 2026