Learn the keys to successful medical coding with Green's best-selling 3-2-1 CODE IT!, 2020 EDITION. Today's most complete, easy-to-use medical coding guide is written specifically for beginning coders with the latest updates for ICD-10-CM, ICD-10-PCS and CPT® as well as HCPCS Level II coding sets, conventions, and guidelines. Focused examples, understandable language, and clearly defined terms help you master concepts, while extensive exercises and computer-assisted coding cases let you practice and prepare to earn professional coding credentials. This well-organized, intuitive approach begins with diagnosis coding before progressing to more in-depth instruction on coding procedures and services. Clear coverage introduces both ICD-10 code sets with separate, thorough chapters on inpatient and outpatient coding and separate coverage of general and specific guidelines. HCPCS level II and CPT® coding are also covered in separate chapters. In addition, MindTap digital resources further reinforce coding skills for career success.