This course explains the importance of applying modifiers to hospital outpatient claims and defines some of the most common modifiers (25, 50, 52, 59, 73, and 74) and their uses. It also describes the modifier 59 replacements (-XE, -XS, -XP and -XU). Specifically, this lesson will cover bilateral, separate procedure, distinct procedure, discontinued, and anatomical modifiers. This course may feature information on the use of medical and procedural codes, including CPT® codes as they relate to the subject matter presented. The goal of this course is to give revenue cycle and coding professionals an overview of the common modifiers used when submitting claims for hospital outpatient services.