A health insurance deductible is the amount you pay for covered care before your plan starts paying. Your out-of-pocket maximum is the most you will pay for allowed care in the whole plan year. Once you hit that ceiling, your plan pays 100% of covered costs, according to UnitedHealthcare. The deductible is the starting line. The maximum is the finish line.
Both numbers reset every plan year, and both can change from year to year. For 2026, the highest out-of-pocket limit an ACA-compliant plan can set is $10,600 for one person and $21,200 for a family, according to healthinsurance.org. Those limits are the ceiling, not the norm. Many plans sit well below them.
Here is why the difference matters. If you know you need surgery in March, the deductible tells you what you will owe up front. If your year turns expensive in ways you did not plan, the out-of-pocket maximum is what protects you. It is worth building a small cushion for either number, and our budgeting guides cover how to set that money aside. This connects to our earlier piece, The Fed cut rates in December 2025 — here is what it means for your money.
What exactly is a health insurance deductible?
Your deductible is the amount you pay for covered health care services before your insurance plan starts to pay. With a $2,000 deductible, you pay the first $2,000 of covered services yourself, according to HealthCare.gov, the official federal Marketplace site. After that, you usually pay only a copay or coinsurance, and your insurer covers the rest.
The deductible adds up over the year. Every covered cost that counts toward it moves you closer to the point where your plan starts paying its share. Once you reach it, the plan keeps helping for the rest of the plan year, then the deductible starts over.
Some care skips the deductible entirely. Many plans pay for checkups and disease management programs before you have met it, and Marketplace plans must cover certain preventive benefits in full even when your deductible is untouched, per HealthCare.gov. Under the Affordable Care Act, all non-grandfathered major medical plans must cover certain preventive care with no cost-sharing, healthinsurance.org notes.
Watch for split deductibles, too. Some plans keep separate medical and prescription deductibles. Others set one deductible for in-network care and a higher one for out-of-network care. Family plans add another layer, with an individual deductible and a family deductible that work in one of two ways:
- Aggregate: the plan pays nothing for anyone until the whole family deductible is met.
- Embedded: once one family member hits their individual deductible, the plan starts covering that person's costs, even if the family deductible is not yet met.
What happens after you meet your deductible?
After the deductible, you usually pay a small, fixed share of each bill. That share comes in two forms. A copay is a set fee, like $10 for a visit. Coinsurance is a percentage, like 20% of the allowed amount. Both are examples UnitedHealthcare uses to explain these cost-shares.
One wrinkle trips up a lot of people: copays usually do not count toward your deductible, according to MetLife. But they often do count toward your out-of-pocket maximum. So the $10 you pay at each visit may not move you closer to your deductible, yet it still counts against your yearly ceiling. Costs that typically do count toward the deductible include hospital bills, lab tests, MRIs, CT scans, surgery, and medical devices such as CPAP machines or pacemakers.
Also keep in mind that your monthly premium never counts toward the deductible. It is a cost of having the plan, not a cost of using care.
What does the out-of-pocket maximum do?
The out-of-pocket maximum is your annual safety net. It is the most you will pay for allowed health care costs in a plan year. Reach it, and your plan pays 100% of your covered care for the rest of the year, per UnitedHealthcare. Qualifying expenses usually include your deductible, copays, and coinsurance, though the exact list varies by plan, MetLife explains.
The two numbers are easy to confuse because they measure different things. Your deductible is what you pay before the plan helps. Your out-of-pocket maximum is what you pay before the plan covers everything. The maximum is almost always higher. MetLife's example plan pairs a $1,500 deductible with a $4,500 out-of-pocket maximum.
What a hospital visit actually costs, stage by stage
Numbers make this real. Here is MetLife's worked scenario, with every assumption shown.
- The plan has a $1,500 deductible and a $4,500 out-of-pocket maximum.
- You are hospitalized for surgery and the bill comes to $12,000.
Stage one: you owe the first $1,500 yourself, because the deductible has not been met. Stage two: after that, the plan splits the remaining costs with you until you have paid up to the $4,500 out-of-pocket maximum. That means you contribute another $3,000 in cost-sharing, such as coinsurance. Stage three: your insurer pays the rest of the bill. Your total cost for the $12,000 stay is $4,500, not $12,000. And for the rest of the enrollment year, you owe nothing more in covered care costs. Readers following this should also see What FDIC deposit insurance covers, and how to protect more than $250,000 at one bank.
Compare that with a small expense in the same plan year. A doctor visit early in the year, before the deductible is met, may cost you the full allowed amount for the visit. The same visit in December, after the out-of-pocket maximum is met, costs you nothing. Same care, different stage of the year, very different bill.
How should you choose between a high and low deductible?
There is no right answer for everyone, and the trade is simple: plans with lower monthly premiums usually have higher deductibles, and plans with higher premiums usually have lower deductibles, per HealthCare.gov.
A high deductible health plan, or HDHP, charges less each month but makes you pay more before coverage kicks in. For 2026, an HDHP that follows the IRS rules must have a deductible of at least $1,700 for an individual or $3,400 for a family, and its out-of-pocket limit cannot exceed $8,500 for one person or $17,000 for a family, according to healthinsurance.org. HDHPs can pair with a health savings account, an HSA, which lets you put pretax money aside for qualified medical expenses. Unused funds roll over year to year. The trade-off cuts both ways: if you use more care than you planned, you may pay more than you budgeted, UnitedHealthcare cautions.
The averages show how wide the range is. According to a KFF analysis cited by healthinsurance.org, the 2025 average deductible for employer coverage was $1,886 for a single employee. On the 2026 Marketplace, average combined medical and drug deductibles ran $7,476 for Bronze plans, $5,304 for Silver plans without cost-sharing reductions, and $1,722 for Gold plans.
Our analysis of those numbers: the plan that looks cheapest monthly can be the most expensive in a bad health year, and the plan that looks expensive monthly can be the cheapest if care is heavy. If you expect a pregnancy, surgery, or ongoing treatment, a lower deductible may cost less overall. If you rarely see a doctor, a higher deductible with a lower premium may fit. If a big expense would blow past your out-of-pocket maximum on any plan, the higher-deductible, lower-premium plan may win, healthinsurance.org suggests.
What to watch
Three things decide your real costs, and two of them change annually. First, check whether your plan uses an embedded or aggregate family deductible if anyone besides you is on it. Second, remember that switching plans mid-year, say after leaving a job, generally means starting a fresh deductible on the new plan. Third, expect the numbers to move: deductibles and out-of-pocket limits reset each plan year and may change, and regulators have proposed raising the 2027 out-of-pocket ceiling to $12,000 for an individual and $24,000 for a family, per healthinsurance.org. Verify your plan's current figures in its published terms before you enroll. Nothing here predicts what your specific bill will look like; it depends on your plan's terms and the care you actually use.
