Learn to code effectively with ICD-9-CM medical coding and gain a thorough introduction to ICD-10-CM/PCS coding all in one text! Whether you're learning to code for the first time or beginning the transition from ICD-9-CM to ICD-10-CM/PCS, 2012 ICD-9-CM Coding Theory and Practice with ICD-10 delivers the fundamental understanding you need to succeed in hospital and physician settings and prepare for the October 2013 ICD-10-CM/PCS implementation. Leading medical coding authorities Karla Lovaasen and Jennifer Schwerdtfeger combine basic coding principles with proven, practical insight and the ICD-9-CM and ICD-10-CM/ICD-10-PCS Official Guidelines for Coding and Reporting (OCGR) to equip you for complete professional success in the changing medical coding field.