Updated to include the new and revised ICD-9-CM codes for 2011, this comprehensive, system-based text teaches the essential ICD-9-CM coding skills needed in medical coding and billing careers. The text provides an overview of ICD-9-CM guidelines on coding practice and introduces students to medical records, including how to locate information and code accurately and efficiently. The book covers symptoms, signs, diagnoses, procedures, and their ICD-9-CM codes by system, and uses actual medical records to show how to code conditions and procedures. A section explains how the coding process affects reimbursement and health services