This overview of the ever-expanding field of medical clerical work will serve as both an effective learning tool for teaching basic, updated skills and as a stimulus for further exploration in more specific career areas. Being a Medical Clerical Worker, 2e provides many core medical materials and addresses the wide variety of tasks medical clerical workers encounter. The text has been expanded to cover the latest computer technology and includes updated insurance forms, procedures, and codes as well as a new chapter on diagnostic testing.