1. a fixed amount of money that an insured person pays for a medical service or prescription drug, with the insurance company paying the rest
Usage: common in health insurance; also called copay

Examples

• My health insurance plan requires a $20 copayment for each doctor's visit.
• The copayment for prescription medications varies depending on the type of drug.
• She paid her copayment at the pharmacy and the insurance covered the rest of the cost.
• Many employers offer health plans with low copayments to attract workers.
• The copayment structure encourages patients to use preventive care services.
• Without insurance, he would have paid the full cost instead of just the copayment.