Profit Hospitals helped by Medical Bill | Medical Billing and Coding is the process of filing and prosecution of claims to insurance companies to pay for the services of a caregiver receives. The same procedure is for the insurance, either privately or publicly owned uses. Medical billers are encouraged, but not legally required for the certification exam, as the study of CMR, research and other Rhia. School certification are designed to provide a theoretical preparation for students who provide the medical billing.