Practice medical coding and billing without leaving the classroom Virtual Medical Office for Insurance includes 15 virtual patient encounters to help you develop the critical thinking and decision-making skills you'll need to work as an insurance billing specialist. Virtual Medical Office begins each study guide lesson with a reading assignment from your text, and then provides online exercises for practice with coding procedures and diagnoses, filing insurance claims, problem solving for rejected claims, catching common coding errors, and much more. VMO provides a safe environment in which you can practice what you are learning in the text