Out-of-Pocket Maximum

Quick Definition

The out-of-pocket maximum (OOP max) is the highest amount you will pay for covered healthcare services in a single plan year. Once your combined spending on deductibles, copays, and coinsurance reaches this limit, your insurance plan pays 100% of covered costs for the remainder of the year. It is the single most important protection against catastrophic medical expenses.

What It Means

The out-of-pocket maximum is your financial safety net for health insurance. No matter how expensive your medical care becomes in a given year, whether it is a cancer diagnosis, a serious accident, or surgery requiring intensive care, you will never pay more than the OOP max for covered in-network services. This cap is why health insurance is fundamentally catastrophic coverage, not a pre-payment plan for routine healthcare costs.

The catch is that the OOP max only applies to covered, in-network services. Premiums, out-of-network balance billing, and non-covered services do not count toward it. A single surprise out-of-network bill can push your real spending well above the stated maximum.

2026 ACA Out-of-Pocket Maximum Limits

HHS released final regulations in 2025 revising the ACA out-of-pocket maximum limits upward for plan years beginning on or after January 1, 2026. The revised limits are significantly higher than the originally proposed amounts:

The 15.2% increase is the largest single-year jump in ACA history. HHS revised the limits under the Marketplace Integrity and Affordability Final Rule, which also affected Marketplace plan design and subsidy calculations.

HDHP Out-of-Pocket Maximums (IRS Revenue Procedure 2025-19)

For HSA-compatible high-deductible health plans, the IRS sets separate, lower OOP maximums:

The ACA limits remain higher than the HDHP limits by $2,100 for self-only coverage and $4,200 for family coverage in 2026. If you have an HDHP with an HSA, your OOP max is capped at the lower HDHP limit, not the higher ACA limit.

2024-2026 Historical Comparison

Many plans set OOP maximums below the legal maximum, particularly gold and platinum tier plans.

What Counts Toward the OOP Maximum

Premiums are paid before coverage begins and never count toward the OOP max. The OOP max applies only to cost-sharing on actual medical services.

The Full Cost Architecture of a Health Plan

Understanding how deductible, coinsurance, and OOP max work together:

Example: $3,000 deductible / 20% coinsurance / $10,600 OOP max (2026 ACA self-only limit):

Family OOP Maximum: Embedded vs. Non-Embedded

Family plans have an individual OOP max and a family OOP max:

Example: $10,600 individual / $21,200 family embedded OOP max (2026 ACA limits):

• Child has $30,000 in medical treatment costs
• Embedded plan: Child's $10,600 individual OOP max met, insurer pays 100% for child. Family has $10,600 remaining before family OOP max is reached.
• Non-embedded plan: Child's costs count toward family's $21,200 total. No individual relief until family hits $21,200.

Embedded plans protect families where one member is likely to have high medical costs. Under the ACA, all non-grandfathered family plans must use embedded individual OOP maximums, meaning no individual can be required to pay more than the self-only OOP max ($10,600 in 2026) even on a family plan.

The 2026 Marketplace Shift

The enhanced premium tax credits that subsidized ACA Marketplace plans from 2021 through 2025 expired on January 1, 2026. This created a cascade of cost increases for Marketplace enrollees:

• Average ACA Marketplace deductibles grew 37% in 2026, from $2,759 to $3,786, the steepest increase in history (KFF).
• Marketplace enrollment could decline by 21.5% (nearly 5 million people) in 2026, falling from 22.3 million to approximately 17.5 million.
• Bronze plan sign-ups jumped from 30% to 40% of total plan selections as shoppers shifted to lower-premium, higher-deductible plans.

If you buy your own insurance through the Marketplace, your 2026 plan likely has a higher OOP max and higher deductible than 2025. Review your Summary of Benefits and Coverage carefully before renewing.

OOP Max Strategies

Use our HSA growth calculator to project how much your HSA can grow to cover future OOP max expenses.

OOP Max vs. Lifetime Maximum

Pre-ACA, many plans had annual and lifetime benefit maximums, caps on how much the insurer would ever pay. The ACA eliminated lifetime maximums for essential health benefits and removed annual dollar limits on most covered services. The OOP max now only limits your spending. The insurer's obligation is unlimited for covered essential health benefits.

Key Points to Remember

• The OOP max is your annual spending cap. Once reached, the insurer pays 100% of covered costs.
• For 2026: $10,600 self-only / $21,200 family under ACA rules (HHS final rule, revised June 2025).
• For 2026 HDHPs: $8,500 self-only / $17,000 family (IRS Revenue Procedure 2025-19).
• Premiums never count toward the OOP max.
• Out-of-network care typically has a separate, higher OOP max or does not count at all.
• Embedded family plans protect individual family members with their own OOP max sublimit, capped at the self-only ACA limit.
• Fund your HSA to at least your OOP max. You are effectively self-insuring up to that amount.

Common Mistakes to Avoid

• Assuming your 2025 OOP max carried into 2026: The ACA OOP max jumped 15.2% to $10,600 (self-only) and $21,200 (family). Check your 2026 Summary of Benefits and Coverage for the actual figure.
• Counting premiums toward the OOP max: Your monthly premium is separate from cost-sharing. You pay premiums regardless of how much care you receive, and they do not reduce your OOP max obligation.
• Going out-of-network without realizing the OOP max may not apply: Out-of-network care usually does not count toward your in-network OOP max. A single surprise bill can push your real spending far above the stated maximum. The No Surprises Act provides some protection, but gaps remain.
• Not funding an HSA to cover the OOP max: If you have an HDHP, your 2026 OOP max is up to $8,500 (self-only) or $17,000 (family). Without HSA savings, you must pay that amount from your emergency fund or cash flow. The 2026 HSA contribution limit is $4,400 (self-only) or $8,750 (family).
• Forgetting that the OOP max resets each plan year: If you hit the OOP max in November, any non-urgent care you can delay to January starts a new OOP max cycle. Conversely, if you switch jobs mid-year, your OOP max counter resets to zero with the new plan.

Frequently Asked Questions

Q: Do prescription drug costs count toward the OOP maximum? A: Generally yes for plans that include prescription drug coverage within the medical plan. However, some plans have a separate drug benefit with its own deductible and OOP max. Check your Summary of Benefits and Coverage (SBC), which clearly shows whether drug costs count toward the combined medical and drug OOP max or separately.

Q: What happens if I switch jobs mid-year and change insurance plans? A: Your OOP max counter resets to zero with your new plan. Any spending under your old plan does not transfer. This is why major surgery mid-year is financially different from major surgery early in the year. If you have already met your OOP max, switching plans mid-year can be very costly.

Q: Is the OOP maximum per person or per family? A: Both, for family plans. There is an individual OOP max (per person) and a family OOP max (combined). In an embedded plan, once any individual reaches their individual OOP max, the insurer pays 100% for that person, even if the family OOP max has not been reached. Under the ACA, the individual embedded limit cannot exceed the self-only OOP max ($10,600 in 2026). Once the family OOP max is reached, the insurer pays 100% for everyone in the family for the rest of the year.

Q: Why did the 2026 OOP max increase so much? A: HHS revised the 2026 limits upward under the Marketplace Integrity and Affordability Final Rule, released in 2025. The self-only limit rose 15.2% from $9,200 to $10,600, and the family limit rose from $18,400 to $21,200. This was the largest single-year increase in ACA history. The enhanced premium tax credits also expired on January 1, 2026, compounding the cost impact for Marketplace enrollees.