Dollar amount that a patient must pay in coinsurance expenses each year before an insurance plan will pay 100% of eligible expenses for the rest of the year. Also known as out-of-pocket maximum.

Specific percentage of the fee the patient is responsible for paying the provider of the medical service or supply; also called coinsurance.

1. Clause in a health insurance contract that requires the insured to pay a specific percentage in excess of the deductible of all eligible medical expenses. 2. Clause in property insurance agreement whereby the property owner is to carry insurance up to an amount established with the provisions of the policy. This is a stated percentage of the value of the property.