52 versus 53: Patient’s condition governs modifier use

Article Overview

This coding article is a practical overview of how to distinguish between CPT modifier 52 and CPT modifier 53 in procedural reporting. It is aimed at coders, billers, and compliance staff who need to understand the broad circumstances, documentation expectations, and published guidance discussed by the article. The content centers on CPT manual references and commentary from coding professionals, with emphasis on when reduced services, discontinued services, and related procedure documentation are discussed.