Formulary is a list of drugs that a plan covers. You will pay more for health services and prescription drugs not covered by your plan.
A list of drugs your plan covers. A formulary may include how much your share of the cost is for each drug. Your plan may put drugs in different cost-sharing levels or tiers. For example, a formulary may include generic drug and brand name drug tiers, and different cost-sharing amounts will apply to each tier.