Total ABN modifier use up in 2021, but three of four fell hard

Article Overview

This benchmark-style article examines Medicare Part B claims data from 2015 through 2021 to describe broader utilization trends for advance beneficiary notice of non-coverage modifiers. It is relevant for coding, billing, and compliance professionals who monitor claim patterns, payer-related modifier use, and Medicare reporting trends. The article also summarizes how the most common code-and-modifier combinations were distributed in 2021 without providing operational coding guidance.