Health insurance is important to help offset the cost of medical events. Medical insurance is a plan, or policy, that covers a percentage of doctor` visits and hospitals bills. Billing and coding professional assigns standard codes for each diagnosis and medical procedure, and enter the codes into a patient`s health record. This information will be sent to the insurance companies, which going to use it to correctly process healthcare claims. Medicals billers and coders must have knowledge in medical insurance, because they are the liaison between healthcare providers and insurance companies. Claims cannot be proceed without help of the Medical Billing and coding professional, who translate patient`s medical records into comprehensible language for the insurance carriers. Knowledge of Medical insurance will help Medical Billing and coding professional doing their jobs with accuracy, and ensuring payers and patients reimburse providers for services delivered. Patients who have knowledge about isurance coverage can make smart decision about their care, know how to use their insurances, and have the best benefits possible through the health care system.