Bayes, Nenna. Medical insurance : a guide to coding and reimbursement / by Joanne Valerius, Nenna Bayes, Cyndy Keller. - 2nd ed. - Boston : McGraw Hill Higher Education, 2002 - xiii, 562 : ills. ISBN: 0028048792 Subjects--Topical Terms: Health insurance. LC Class. No.: HG 9383 BAY 2002