Understanding Medical Coding: A Comprehensive Guide
Sandra Johnson, CMA, CPC has worked 25 years in the health care field, with 19 years teaching experience in medical assisting, medical coding and transcription courses.  She is an active member of the American Association of Medical Assistants and the American Academy of Professional Coders. She was awarded the Indiana Medical Assistant  of the year, 1993,  a multiple nominee for Who's Who Among America's Teachers, and the recipient of the Glenn W. Sample Award for Instructional Excellence 1996 and 2004 from Ivy Tech State College. She is a coding and transcription instructor at Indiana University Southeast, and is pursuing a Master's degree in Human Resource Development with a specialization in health and safety management from Indiana State University.