What is the best description of a co-pay?

A co-pay is best described as a fixed amount paid for a specific health service. This means that regardless of the total cost of the service or medication, the patient is responsible for paying a predetermined amount at the time of service or medication purchase. For example, a patient might have a co-pay of $20 for a doctor's visit or a medication, which remains the same even if the actual charge for the visit or medication is higher or lower.

This clarity in cost helps patients manage their healthcare expenses, as they know upfront what amount is expected at the time of receiving services or obtaining prescriptions. It serves as a cost-sharing mechanism between the patient and the insurance provider, encouraging responsible use of healthcare services.

In contrast, the other options represent different concepts related to healthcare costs. A percentage of the total medication cost reflects a coinsurance model rather than a fixed co-pay. The total cost of a medication would include both the patient’s contribution and the insurance coverage, while the sum paid to the insurance for coverage pertains to premiums rather than out-of-pocket copayment amounts for services or medications.