The ICD-10-CM Coding Concepts Review Guide is a self-paced comprehensive review of coding concepts. This review guide is not a textbook where the user spends hours reading through guidelines; instead, a workbook format, you are challenged by testing your knowledge of the guidelines. The author Dr. Lisa L. Campbell, PhD, MHA, MPM, RHIA, CDIP, CCS, CCS-P, CPC, COC, CPC-I, has 30 years' experience as coding practitioner, 25 years as a coding educator and is an AHIMA approved ICD-10CM/PCS trainer.