costshares
Costshares represent a portion of the cost of a covered healthcare service that a patient is responsible for paying. This is distinct from deductibles, which must be met before most insurance benefits begin, and copayments, which are typically fixed amounts paid at the time of service. Costshares often apply after a deductible has been met and are usually expressed as a percentage of the total cost of the service. For example, an insurance plan might have an 80/20 costshare, meaning the insurer pays 80% of the covered cost and the patient pays the remaining 20%. This patient's portion is the costshare.
These costsharing arrangements are a common feature in many health insurance plans, including employer-sponsored plans, individual