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Health Insurance glossary

Plain-language definitions of common health insurance terms.

Coinsurance
Your percentage share of a cost after meeting the deductible.
Copay
A fixed dollar amount for a covered service, like a doctor visit.
Deductible
What you pay for covered care before the plan begins paying.
Network
The doctors and facilities that have contracted with your plan.
Open enrollment
The yearly window when you can enroll in or change a health plan.
Out-of-pocket maximum
The most you pay in a year before the plan covers 100% of in-network care.
Premium
The monthly amount you pay to keep your health plan active.
Premium tax credit
A marketplace subsidy that lowers your monthly premium based on income.