cModifiers create clear, concise communications between the provider and payer, and are essential to the coding process. This fifth edition provides guidance on how and when to use modifiers in order to avoid costly payment delay and denials. New to this edition is a new chapter using real-life cases that contain modifier usage. These cases will help build usage skills and aid in the correct use of CPT® and HCPCS modifiers. Features and Benefits New chapter modifier scenarios using real medical record patient encounters to build modifier usage skills Coding tips explains how to use specific modifiers to clear up confusion around modifier usage Modifiers approved for hospitals and ASCs provide information for professional service and hospital reporting requirements Teaching tools enable content testing using AMA-developed questions and answers Test-Your-Knowledge questions nearly 200 test questions to help determine comprehension of the material