Anesthesia: Know When to Use Modifiers -G8 and -G9 for MAC

Article Overview

This article covers monitored anesthesia care (MAC) reporting in anesthesia billing, with emphasis on payer-specific review policies and modifier use. It is intended for coders, billers, and anesthesia practices that need to understand how one carrier distinguishes procedure groupings and when certain anesthesia modifiers may or may not be accepted. The discussion focuses on general MAC billing considerations, carrier review language, and the broader circumstances that affect claim acceptance.