Reading a health insurance plan summary can feel like reading a different language. Before you choose a plan, understanding these key terms will help you make a smarter decision — and avoid expensive surprises.

Deductible

The deductible is what you pay out of pocket for covered health services before your insurance begins to share costs. For example, if your deductible is $3,000, you pay the first $3,000 in medical bills each year. After that, your insurance kicks in. Preventive care is typically covered before your deductible is met.

Copay

A copay is a fixed amount you pay for a specific service — like $30 for a primary care visit or $50 for a specialist. Some plans have copays that apply even before your deductible is met. Others only have copays after the deductible.

Coinsurance

After meeting your deductible, coinsurance is the percentage you pay for care. If your plan has 20% coinsurance and you have a $1,000 medical bill, you pay $200 and the insurance pays $800.

Out-of-Pocket Maximum

This is the most you’ll ever pay in a plan year for covered services. Once you hit this number — through any combination of deductible payments, copays, and coinsurance — your plan pays 100% for the rest of the year. For 2026, ACA plans cap individual out-of-pocket maximums at around $9,200.

Why This Matters

A plan with a low premium and high deductible isn’t always the right choice if you use healthcare regularly. And a plan with a high premium might actually cost less overall if you have significant medical needs. An agent can help you model the real total cost based on how you use healthcare.

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I am not affiliated with any government agency, the federal Marketplace, or Medicare. Michael Peck is a licensed independent health insurance agent. | 512-850-6604 | Michael@RealHealthQuote.com