Deductible: The amount of money you pay before your insurance company pays anything. Coinsurance: The percentage of the cost of a covered service that you will have to pay AFTER your deductible is met. Co-Payment: A fixed amount that you will have to pay for a covered service AFTER your deductible is met. Premium: The amount you pay to your insurance company for health benefits / coverage. Out of pocket Maximum / Limit: The most you will be expected to pay for covered services during the course of you annual insurance plan.