noun Date: 1975 a fixed fee required by a health insurer (as an HMO) to be paid by the patient at the time of each office visit, outpatient service, or filling of a prescription
CO-PAYMENT
Meaning of CO-PAYMENT in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012