What Is an Out-of-Pocket Maximum on a Health Plan
Deductibles, copays, and coinsurance all chip away at a budget in different ways, but health plans also include a safety net that limits how far the damage can go in a single year. That safety net is the out-of-pocket maximum.
In short
An out-of-pocket maximum is the most a policyholder has to pay for covered services in a plan year before the health plan starts covering 100% of costs for the remainder of that year. It typically includes amounts paid toward the deductible, copays, and coinsurance, though premiums usually don’t count toward it. Once that threshold is reached, covered care is generally paid in full by the plan for the rest of the plan year.
What counts toward the maximum
Most health plans count deductible payments, copays, and coinsurance toward the out-of-pocket maximum, since these are the costs the policyholder is directly responsible for under the plan’s cost-sharing structure. Monthly premiums are typically excluded, since they’re a separate, ongoing cost of maintaining the plan rather than a cost tied to using care. It’s worth checking a specific plan’s summary of benefits, since exactly what counts can vary somewhat between plans.
Why this figure matters most in a bad year
For routine, low-cost care, the out-of-pocket maximum rarely comes into play, since most people don’t reach it through occasional doctor visits and prescriptions alone. It becomes far more relevant in the event of a serious illness, an accident, or a major surgery, where medical bills can climb quickly. This is the scenario the out-of-pocket maximum is specifically designed to protect against — a cap on how much a single bad year can cost, even when total medical bills run into much larger figures. Without that ceiling, a single hospitalization could otherwise translate into an open-ended bill with no defined stopping point.
In-network vs. out-of-network limits
Many plans apply separate, often higher, out-of-pocket maximums for care received outside the plan’s network, and some plans don’t cap out-of-network costs at all. This is one more reason checking whether preferred doctors and hospitals are in-network matters — going out of network can mean the safety net of an out-of-pocket maximum doesn’t fully apply, leaving spending effectively uncapped in a category that otherwise felt protected.
Comparing this figure across plans
When comparing health insurance plans, the out-of-pocket maximum is worth lining up alongside the premium and deductible, since a plan with a lower premium sometimes has a much higher out-of-pocket maximum, shifting more risk onto the policyholder in a high-cost year. Looking at all three figures together gives a fuller picture than comparing premiums alone.
Where copay and coinsurance fit in
Understanding the difference between a copay and coinsurance helps clarify how spending accumulates toward the out-of-pocket maximum over the course of a year, since both types of cost-sharing typically count toward that running total even though they’re calculated differently.
Putting it in perspective
An out-of-pocket maximum functions as a ceiling on medical spending in a given plan year, protecting against the kind of catastrophic bill that a serious illness or injury can generate. Comparing this figure across plan options, rather than focusing solely on the premium, gives a much more complete sense of the real financial exposure each plan carries.