DEFINITIONAn amount you may be required to pay as your share of the cost for a medical service or supply, like a doctor's visit, hospital outpatient visit, or prescription drug. A copayment is usually a set amount, rather than a percentage.
EXAMPLEYou might pay $10 or $20 for a doctor's visit, lab
work, or prescription. Copayments are usually between $0 and $50 depending on your insurance plan and the type of visit or service.