A health insurance deductible is the amount you pay out of your own pocket before your insurance starts covering costs. A copay is a flat fee you pay each time you visit a doctor or fill a prescription. The out-of-pocket maximum is the absolute most you'll spend in a year before your insurer picks up 100% of the tab. And your premium is the monthly bill for having the plan at all, separate from all of the above.
If that sounds straightforward, you can stop reading. But if you've ever stared at a plan summary wondering why you're paying a monthly premium and a deductible and copays, keep going. Getting these terms wrong can cost you thousands of dollars.
Below: how each one works, how they connect, and exactly what you'd pay on a $5,000 medical bill.
Your premium is the monthly bill you pay just to have insurance. Think of it like a gym membership. Go once or thirty times, you pay the same fee. Your health insurance premium works the same way. You owe it every single month whether you see a doctor or not.
For 2026, the average ACA marketplace premium for a benchmark Silver plan is roughly $450 to $600 per month for a 40-year-old, depending on the state. If you qualify for premium tax credits (subsidies), that number drops. Many people pay under $100 per month after subsidies.
Here's the part that confuses people: your premium does not count toward your deductible or your out-of-pocket maximum. It's a separate cost entirely. When your plan says "you pay the first $2,000," that $2,000 is on top of whatever you're already paying in monthly premiums.
Your deductible is the amount you must spend on covered medical services before your insurance kicks in. If your deductible is $2,000, you're responsible for the first $2,000 of medical bills each year. After that, your insurance starts sharing costs with you.
Not every service counts the same way. Most ACA plans cover certain preventive services with no deductible at all. Annual physicals, vaccinations, mammograms, colonoscopies, blood pressure checks. You pay $0 for these even if you haven't met your deductible yet. That's a federal requirement under the Affordable Care Act.
Family plans have two deductible numbers. Say a family plan lists a $2,000 individual deductible and a $4,000 family deductible. Each person must hit $2,000 individually before the plan covers their care. But if the family's combined spending reaches $4,000, everyone gets coverage even if some members haven't hit their individual number.
| ACA Metal Tier | Typical Deductible | Who It's For |
|---|---|---|
| Bronze | $6,000 – $7,500 | Healthy people who rarely see a doctor |
| Silver | $3,000 – $5,000 | Moderate users, best subsidy value |
| Gold | $1,000 – $2,000 | Regular doctor visits, ongoing prescriptions |
| Platinum | $0 – $500 | Frequent care needs, predictable costs |
For 2026, the maximum allowed individual deductible on an ACA marketplace plan is $9,200. Employer-sponsored plans can sometimes go higher.
Your household income determines your ACA subsidy. See what you'd actually pay after tax credits.
Check Your SubsidyA copay (short for copayment) is a fixed dollar amount you pay each time you get a specific service. You go to your primary care doctor, you pay $30. You visit a specialist, you pay $60. You pick up a generic prescription, you pay $15. You visit urgent care, $75. The amount is set in advance and printed on your plan's summary of benefits.
Copays are predictable. You know exactly what you'll owe before you walk into the office.
| Service | Typical Copay Range |
|---|---|
| Primary care visit | $20 – $40 |
| Specialist visit | $40 – $75 |
| Urgent care | $50 – $100 |
| Emergency room | $150 – $400 |
| Generic prescription | $10 – $20 |
| Brand-name prescription | $30 – $60 |
One wrinkle: some plans charge copays before you meet your deductible (common for doctor visits and prescriptions on Silver and Gold plans). Others only use copays after the deductible is met. Check your plan's Summary of Benefits document to see which services have pre-deductible copays.
Coinsurance is the percentage-based cousin of the copay. Instead of paying a flat $30, you pay a percentage of the bill. If your coinsurance is 20%, and a procedure costs $1,000, you pay $200 and your insurance pays $800.
Coinsurance usually kicks in after you've met your deductible. The sequence: you pay everything until you clear your deductible. Then you and your insurer split costs by the coinsurance ratio. That split continues until you reach your out-of-pocket maximum, at which point the insurer covers 100%.
| Feature | Copay | Coinsurance |
|---|---|---|
| How it's calculated | Flat dollar amount | Percentage of the bill |
| Predictability | You know the exact cost upfront | Depends on the total bill |
| When you pay it | Often before deductible (for some services) | Usually after deductible is met |
| Best for | Routine visits, prescriptions | Larger procedures, hospitalizations |
Many plans use both. You might pay a $30 copay for a doctor visit but 20% coinsurance for a surgery. It depends on the service and your plan design.
The out-of-pocket maximum (sometimes called the out-of-pocket limit) is your financial safety net. Once your deductible payments, copays, and coinsurance add up to this number, your insurance pays 100% of covered services for the rest of the plan year. You pay nothing more.
For 2026 ACA plans, the maximum allowed out-of-pocket limit is $9,200 for an individual and $18,400 for a family. Your plan's limit might be lower than these caps, but it can't be higher.
The out-of-pocket max matters most when something goes seriously wrong. A week-long hospitalization or a cancer diagnosis can produce bills of $50,000, $100,000, even more. Without the OOP max, your 20% coinsurance on a $100,000 hospital stay would cost you $20,000. With an OOP max of $9,200, that's your ceiling. Period.
Let's walk through a real scenario. Say you have a Silver plan with these terms:
It's April. You haven't used any medical services yet this year, so your deductible is untouched. You fall and break your ankle. The ER visit, X-rays, cast, and follow-up total $5,000.
The first $3,000 of that $5,000 bill comes straight out of your pocket. Your insurance doesn't contribute anything until you've cleared the deductible. You've now met your deductible for the year.
The remaining $2,000 gets split according to your coinsurance ratio. You pay 20% ($400) and your insurer pays 80% ($1,600).
| Cost Component | You Pay | Insurer Pays |
|---|---|---|
| Deductible (first $3,000) | $3,000 | $0 |
| Coinsurance on remaining $2,000 | $400 (20%) | $1,600 (80%) |
| Total from $5,000 bill | $3,400 | $1,600 |
Your total cost for the broken ankle: $3,400 (plus whatever you've been paying in monthly premiums). After this event, you've spent $3,400 toward your $8,500 out-of-pocket maximum. If something else happens later in the year, you'd only need to spend another $5,100 in cost-sharing before hitting the max and getting 100% coverage.
People confuse these two all the time. Simplest way to remember:
Between those two lines is the coinsurance zone, where you and your insurer share costs. Your deductible is always lower than or equal to your out-of-pocket maximum. On some plans (particularly Platinum), they're nearly the same because the plan covers most costs from the start.
| Feature | Deductible | Out-of-Pocket Max |
|---|---|---|
| What it represents | When insurance starts sharing costs | When insurance covers everything |
| Typical range (individual) | $0 – $7,500 | $3,000 – $9,200 |
| Resets annually? | Yes, January 1 (most plans) | Yes, January 1 (most plans) |
| Includes premiums? | No | No |
| After you hit it | You still pay copays/coinsurance | Insurance pays 100% |
The four ACA marketplace metal tiers are different ways of dividing costs between you and the insurer. The actuarial value tells you the split:
| Metal Tier | Insurer Pays | You Pay | Best For |
|---|---|---|---|
| Bronze | 60% | 40% | Low premiums, rarely use care |
| Silver | 70% | 30% | Middle ground, subsidy-eligible |
| Gold | 80% | 20% | Regular care, moderate premiums |
| Platinum | 90% | 10% | Frequent care, highest premiums |
If your income falls between 100% and 250% of the federal poverty level, you qualify for cost-sharing reductions (CSRs) on Silver plans. CSRs don't just lower your premium. They lower your deductible and out-of-pocket max too.
A Silver CSR plan for someone at 150% FPL might have a $300 deductible instead of $4,000. Only Silver plans offer this benefit.
Enter your income and household size to see your estimated premium and whether you qualify for lower deductibles on Silver plans.
Check Your SubsidyA $200/month Bronze plan sounds great until you realize the $7,000 deductible means you're paying full price for every doctor visit and every prescription until you've spent $7,000. That includes lab work, imaging, specialist referrals. If you take regular medication or see specialists, a Gold plan with a $400/month premium and $1,500 deductible could save you money overall.
After you meet your deductible, you still pay coinsurance or copays on most services. The only time everything becomes free is after you hit your out-of-pocket maximum. The deductible is just the first threshold, not the last one.
If you met your $4,000 deductible in November, you only got one month of cost-sharing before it reset. Timing matters. If you're planning an elective procedure and you've already met your deductible, doing it before December 31 saves you from paying the deductible again in January.
Many Silver and Gold plans cover doctor visits and prescriptions with just a copay even before you meet the deductible. If you're choosing between two plans and one offers $30 copay doctor visits from day one while the other makes you hit a $3,000 deductible first, that's a significant practical difference.
No. Premiums and deductibles are completely separate costs. Your monthly premium is the price of having insurance. Your deductible is what you pay when you actually use it.
Deductible payments, copays, and coinsurance all count. Premiums do not. Out-of-network charges typically don't count either, unless your plan has a combined in-network/out-of-network OOP max (most plans don't).
No. Your deductible is always equal to or lower than your out-of-pocket maximum. On some high-deductible plans, they're close to the same number, but the OOP max is always the higher ceiling.
Your deductible and out-of-pocket progress typically reset when you switch to a new plan. Any amount you've already paid toward your old plan's deductible doesn't carry over. The exception is if you switch between plans from the same insurer, which sometimes allows deductible credit.
Not always. If you're healthy and mostly need preventive care (covered at $0 regardless), a high-deductible Bronze plan with low premiums saves you money. High-deductible plans also qualify you for a Health Savings Account (HSA), which lets you save pre-tax dollars for medical expenses. That tax advantage alone can be worth hundreds per year.
Some plans let you see a doctor a few times per year with just a copay, without needing to meet your deductible first. It means those visits are treated separately from the deductible. After those initial visits, the standard deductible rules apply.
Four layers of cost-sharing sit between you and a medical bill: premiums, deductibles, copays/coinsurance, and the out-of-pocket maximum. Your premium buys the plan. Your deductible is what you pay before the plan starts helping. Copays and coinsurance split costs after the deductible. The out-of-pocket max caps your total exposure for the year.
During open enrollment, don't just compare monthly premiums. Run two numbers: your worst-case annual cost (premium × 12 + out-of-pocket max) and your typical-year cost (premium × 12 + expected copays). That total-cost math is the only honest way to compare a cheap Bronze plan against a pricier Gold plan.