Gain confidence in ICD-9-CM diagnostic and procedural coding with this comprehensive, hands-on worktext. The third edition of UNDERSTANDING ICD-9 CM CODING: A WORKTEXT has been fully updated to the latest code sets and guidelines for coding and reporting and features a new chapter on ICD-10-CM and ICD-10-PCS.Practice exercises are provided throughout to help you test yourself and illustrations of human anatomy and surgical procedures appear throughout to clarify concepts. Use this learning resource in conjunction with a coding manual to master ICD-9-CM coding for all medical specialties.