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...