Your share of the cost of a covered service after you have met your deductible, expressed as a percentage. For example, if your coinsurance is 20%, you pay 20% and your insurance pays 80%.
Open enrollment deadlines for ACA Marketplace and Medicare plans in 2026. Step-by-step checklist to compare plans, estimate subsidies, and enroll on time.
Read articleHow to Read an Explanation of BenefitsAn EOB is not a bill. Learn how to read an Explanation of Benefits line by line in 2026, understand every column, and spot errors before you pay.
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