The DRG Expert has been a trusted and comprehensive reference to the DRG classification system for 22 years. The nation?s DRG information experts bring you this annual book organized by Major Diagnostic Category (MDC) for accurate assignment of DRGs and maintenance of the highest level of data quality. The convenient and innovative book layout follows the logical DRG decision process. This book is designed specifically for those who need a comprehensive resource to either accurately assign DRGs concurrently and retrospectively or verify DRG information.