Book excerpt: Revised and expanded, the second edition of Principles of CPTr Coding Workbook (formerly the CPTr Coding Workbook) lays a foundation for understanding coding by providing detailed examples designed to strengthen coding skills. In-depth instruction on key coding concepts is provided by CPT code section with extensive coding scenarios and operative procedure exercises given at the end of each chapter to test knowledge. A detailed answer key with comprehensive rationales walk the reader through the process of code assignment. This book was developed as a companion to the bestseller Principles of CPTr Coding to provide additional coding instruction and exercises, and can also be used as a stand-alone teaching tool. New to this edition: * New chapters - Category II codes and the Appendixes in the CPT codebook are now explained in two new chapters * New illustrations - Enable readers to visualize the area being discussed * mDecision Tree Flow Charts for selected specialties - * Demonstrate correct code selection * Expanded chapters - E/M, Medicine, Surgery, Anesthesiology and Radiology chapters now include updated coding information and instruction