Ingenix Coding Lab: Understanding Modifiers provides detailed instruction on maintaining the proper methods of documentation and applying the correct modifiers based on actual medical records. The book was developed as an educational tool for physicians and their staff as well as billers and coders of hospital outpatient services and ASC services. Ingenix Edge - Educational Format. Easy-to-use format for every experience level, for use in the classroom or on the job. Ingenix Edge - World Wide Web Resources. Supplies all of the up-to-date links a coder needs to find accurate modifier information online. Ingenix Edge - Fully Updated for 2006. Contains all new and changed CPT and HCPCS Level II modifier information. Ingenix Edge - Decision Tree Flow Charts. Helps the coder choose the correct modifier when more than one could apply. Ingenix Edge - Real-Life Clinical Examples. Helps reduce claim denials by supplying correctly used modifiers and completed CMS-1500 forms. Part of the Ingenix Coding Lab Educational Series. Use this in concert with other Ingenix publications and software for consistent, accurate training. CPT is a registered trademark of the American Medical Association.