What Is Mai and Mue

The MUE Adjudication Indicator (MAI) indicates the type of MUE and its basis. The MAI assigned to HCPCS/CPT codes will determine how your claim will process and/or deny.

What does MAI mean for Medicare?

Note that each MUE has a “Medicare Adjudication Indicator” (MAI). This indicates whether the MUE is a line edit or a date of service edit.

What is an MAI indicator?

MUE Adjudication Indicator (MAI): Describes the type of. MAI 1: Applied at line level (claim line) – Appropriate use of modifiers to report the same code on separate lines of a claim will enable the reporting of medically necessary units of service in excess of MUE.