Practical and easy to understand, UNDERSTANDING MEDICAL CODING: A COMPREHENSIVE GUIDE, THIRD EDITION teaches readers everything they need to know about medical coding. Through clear, step-by-step instructions, readers will learn how to code a claim correctly, link the correct CPT and ICD-9-CM codes for reimbursement, understand adjustments as well as how and when to bill patients, and determine what to do if there is a denial or rejection. Coverage has been thoroughly updated to include information on ICD-10-CM and how it compares to ICD-9-CM. CPT coding and modifiers are also discussed, as well as more code-specific information, concentrating on specialty coding and the levels of coding.