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Healthcare Term

Coinsurance

Coinsurance is the percentage of covered health costs you're responsible for paying after you've met your deductible.

What is Coinsurance?

Coinsurance is the percentage of costs of a covered health care service you pay after you've paid your deductible. It typically operates on a fixed ratio, meaning you'll always be charged the same percentage of the total bill each time. For example, if your health insurance plan's allowed amount for an office visit is $100 and your coinsurance is 20%, you would pay $20, and the insurance company would pay the rest, assuming you have already met your deductible.

Coinsurance payments contribute to your out-of-pocket maximum. This means you will continue to pay your coinsurance percentage until you reach your out-of-pocket maximum, at which point your insurance company covers 100% of the remaining costs for covered services for the rest of your plan year. It is important to note that coinsurance applies after your deductible has been met, distinguishing it from a copay, which can apply both before and after the deductible.

What is the difference between Coinsurance and Copay?

Coinsurance is a percentage of the costs you pay for covered services after your deductible, while a copay is a fixed amount you pay for services. Coinsurance only applies after your deductible has been met, whereas a copay can apply both before and after you reach your deductible. Both contribute to your out-of-pocket maximum.

Coinsurance is a percentage of the total cost of a service, while a copay is a fixed fee for a service.

Coinsurance applies only after you have met your deductible.

A copay can apply both before and after you have met your deductible.

Coinsurance is usually paid after the time of service, whereas a copay is typically paid at the time of service.

What are examples of Coinsurance?

1

After paying your deductible, if your health insurance plan's allowed amount for an office visit is $100 and your coinsurance is 20%, you would pay $20, and the insurance company would pay $80.

2

If Gloria has an 80/20 coinsurance plan and has met her deductible, for a $250 doctor's visit, Gloria would pay $50 (20%), and her insurer would pay $200 (80%).

3

If you have a $1 million building with a 90% coinsurance clause and insure it for $800,000 (instead of the required $900,000), for a $300,000 loss, the insurer would pay $266,700 ($300,000 x ($800,000/$900,000)), minus any deductible.

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