What Is Coinsurance & How Does It Work? | MetLife (2024)

Coinsurance is the percentage of covered health costs you're responsible for paying after you've met your deductible. Typically, coinsurance operates on a fixed ratio, meaning you’ll always be charged the same percentage of the total bill each time. Let’s explore how coinsurance works and how it compares to other out-of-pocket expenses.

How does coinsurance work?

When you file a health, dental, or vision insurance claim after you’ve reached your out-of-pocket annual deductible, you may be responsible for a portion of the total bill in the form of coinsurance. Many insurance companies operate on an 80/20 coinsurance plan.

What does 80/20 coinsurance mean?

Simply put, 80/20 coinsurance means your insurance company pays 80% of the total bill, and you pay the other 20%. Remember, this applies after you've paid your deductible.
Insurance companies list percentages in coinsurance plan descriptions (e.g., 20% coinsurance, 0% coinsurance, etc.) to refer to the part of the bill that you, the insured party, will be responsible for. Some of the most common percentages are:

  • 20% coinsurance: You’re responsible for 20% of the total bill.
  • 100% coinsurance: You’re responsible for the entire bill.
  • 0% coinsurance: You aren’t responsible for any part of the bill — your insurance company will pay the entire claim

Coinsurance example: How to figure out costs

To get a better understanding of how to calculate coinsurance costs, check out this breakdown:

Let’s say Gloria has an 80/20 payment structure and needs to see her doctor for a non-preventive service. If the cost of her visit is $250, and she’s already met her deductible, this is how Gloria would calculate her responsibility.

Cost of doctor visit

Gloria’s responsibility
(20% of the total cost of the visit)
Insurer's responsibility
(80% of the total cost of the visit)

$250

$50

$200

Coinsurance vs. deductible

Deductibles are the initial amount you’re required to pay before coinsurance kicks in. For example, if you have a $2,000 deductible, you’re responsible for paying the full $2,000 for the year before your insurance will help cover a portion of the costs. After meeting your deductible, you may be responsible for paying coinsurance.
Keep in mind that certain preventive services may not be subject to a deductible, such as routine check-ups, vaccines, and screenings.

Coinsurance vs. copay

Copayments (or copays) are fixed amounts you pay for specific services. These services may also be subject to coinsurance, but unlike coinsurance, copay amounts are predetermined and don’t vary based on the cost of the service.
For example, you might have a $20 copay for a non-preventative doctor visit, meaning you pay $20 regardless if the total cost for the visit is $100 or $300. However, a 20% coinsurance fee would vary depending on the cost of the service.

Another key difference between coinsurance and copays is that coinsurance applies only after you've met your deductible, while a copay can apply both before and after you've met your deductible.

Coinsurance and out-of-pocket maximum

Coinsurance payments contribute to your out-of-pocket maximum. That means you’ll pay your coinsurance percentage until you reach your out-of-pocket maximum. Once you reach the maximum limit, you stop paying coinsurance, and your insurance company covers 100% of the remaining costs for covered services.

In- vs. out-of-network coinsurance

When it comes to out-of-network care, the coinsurance rate may be higher than what you’d pay for in-network care. And in some cases, your insurance provider won’t foot any of the costs for out-of-network providers, meaning you’ll be responsible for the entire bill.
Review your insurance policy to understand the specific coinsurance rates for in-network and out-of-network care.

Coinsurance —what’s the bottom line?

Knowing what coinsurance is and how it works can make a huge difference in understanding how your insurance policy is used and help you better plan for the future of your health. Before enrolling in a plan, be sure to carefully review its coinsurance rates and policies so you won’t be surprised when your billing statement arrives.

What Is Coinsurance & How Does It Work? | MetLife (2024)

FAQs

What Is Coinsurance & How Does It Work? | MetLife? ›

Coinsurance is the percentage of covered health costs you're responsible for paying after you've met your deductible. Typically, coinsurance operates on a fixed ratio, meaning you'll always be charged the same percentage of the total bill each time.

Is it better to have coinsurance or copay? ›

Copays are generally less expensive than coinsurance, so coinsurance will comprise much more of your out-of-pocket costs than copays. For instance, a primary care visit may cost you $25 for a copay, while that visit may cost you hundreds or thousands in coinsurance for tests and services.

What does 80% coinsurance mean? ›

Here's an example of how coinsurance costs work: John's health plan has 80/20 coinsurance. This means that after John has met his deductible, his plan pays 80% of covered costs, and John pays 20%.

How does coinsurance work? ›

Coinsurance is an insured individual's share of the costs of a covered expense (it usually applies to health-care insurance). It is expressed as a percentage. If you have a "30% coinsurance" policy, it means that, when you have a medical bill, you are responsible for 30% of it. Your health plan pays the remaining 70%.

What does 20% coinsurance mean? ›

A 20% coinsurance means your insurance company will pay for 80% of the total cost of the service, and you are responsible for paying the remaining 20%. Coinsurance can apply to office visits, special procedures, and medications.

Does coinsurance count towards out-of-pocket? ›

Typically, copays, deductible, and coinsurance all count toward your out-of-pocket maximum. Keep in mind that things like your monthly premium, balance-billed charges or anything your plan doesn't cover (like out-of-network costs) do not.

Do you pay coinsurance before or after deductible? ›

A deductible is the amount you pay for coverage services before your health plan kicks in. After you meet your deductible, you pay a percentage of health care expenses known as coinsurance. It's like when friends in a carpool cover a portion of the gas, and you, the driver, also pay a portion.

What if my coinsurance is 100%? ›

100% coinsurance: You're responsible for the entire bill. 0% coinsurance: You aren't responsible for any part of the bill — your insurance company will pay the entire claim.

Does coinsurance apply to actual cash value? ›

If the insured purchases insurance at least equal to the coinsurance percentage (say 80 percent), the insurer pays the full value of any loss (either replacement cost or actual cash value, depending on what the insured has purchased), less the deductible, up to the limit of insurance.

Does insurance cover anything before the deductible? ›

Many plans pay for certain services, like a checkup or disease management programs, before you've met your deductible. Check your plan details. All Marketplace health plans pay the full cost of certain preventive benefits even before you meet your deductible.

How do you avoid coinsurance? ›

In order to make sure you never run into a coinsurance penalty it is vital to make sure that all of your property is insured to the actual replacement cost. Don't confuse replacement cost with market value. Make sure you review your property values with your agent on an annual basis.

What happens when you meet your coinsurance? ›

You'll continue to pay copays or coinsurance until you've reached the out-of-pocket maximum for your policy. At that time, your insurer will start paying 100% of your medical bills until the policy year ends or you switch insurance plans.

What is the primary purpose of coinsurance? ›

The purpose of coinsurance is to have equity in ratings. If your insured meets the coinsurance requirement, the insured receives a rate discount. The coinsurance clause helps to ensure equity among all policyholders.

How does 80% coinsurance work? ›

For example, if 80% coinsurance applies to your building, the limit of insurance must be at least 80% of the building's value. If the policy limit you have selected does not meet the specified percentage, your claim payment will be reduced in proportion to the deficiency.

Can you have copay and coinsurance at the same time? ›

Not necessarily. Not all plans use copays to share in the cost of covered expenses. Or, some plans may use both copays and a deductible/coinsurance, depending on the type of covered service.

Is coinsurance worth it? ›

Here's how it works: health plans with higher coinsurance usually have lower monthly premiums. That's because you're taking on more risk. So you'll find that most health plans with 70/30 coinsurance have lower premiums than an 80/20 plan.

Is it good or bad to have coinsurance? ›

High coinsurance typically goes with lower premiums, so people who need only routine care will pay less each month and may not face costly bills at all. If they do need expensive care, of course, they owe a larger share of those bills. Once you hit your annual out-of-pocket maximum, you no longer pay coinsurance.

Is it better to have a higher deductible or coinsurance? ›

However, if you expect to have many health care costs, a plan with a lower deductible would be more cost-effective. A lower deductible means there will be a smaller amount that you will need to pay before the insurance carrier begins to pay its share of your claims: the coinsurance.

Is 90% or 100% coinsurance better? ›

Common coinsurance is 80%, 90%, or 100% of the value of the insured property. The higher the percentage is, the worse it is for you.

Is it better to have a lower coinsurance? ›

If you rarely go to a hospital or doctor, higher coinsurance and deductibles with lower premiums might be a better decision,” says Gross. But if you have a chronic health condition or see doctors very frequently, you might want to have a lower coinsurance and deductible with a higher premium.

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