Gain confidence in ICD-9-CM diagnostic and procedure coding across medical specialties with this comprehensive, hands-on worktext. UNDERSTANDING ICD-9 CM CODING: A WORKTEXT, 4th Edition has been fully updated to the latest code sets and guidelines for coding and reporting, with plenty of practice exercises, case studies, and full-color illustrations of anatomy and procedures to help you master ICD-9-CM coding. Includes a chapter on the coming transition to ICD-10-CM and ICD-10-PCS.