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US Health Insurance

US Health Insurance Cost Sharing Calculator

A health plan’s premium is only one part of the cost. This calculator walks through the deductible, coinsurance and out-of-pocket maximum so you can estimate what a covered in-network service may cost you.

Official Standards & Rule Matrix

DeductibleThe amount you pay before coinsurance starts
CoinsuranceYour share after the deductible
OOP maximumThe annual cap on covered in-network spending
ScopeCovered in-network care only; premiums are separate

How to use this tool

  • Enter the allowed amount for the service.
  • Enter the deductible, coinsurance percentage and out-of-pocket maximum.
  • Review your estimated share after the plan pays.
  • Check the plan’s summary of benefits for exclusions and prior authorization.

Computed completely in your browser. No personal data or numbers are transmitted over the network.

Frequently Asked Questions

Does the premium count toward the out-of-pocket maximum?
Generally no. Premiums are separate from cost sharing. Deductibles, coinsurance and copays for covered in-network care usually count, subject to plan rules.
What is coinsurance?
It is your percentage share of the allowed amount after the deductible. For example, 20% coinsurance means the plan pays 80% of the allowed amount.
Are out-of-network costs included?
No. Out-of-network care can have a separate deductible, higher coinsurance and balance billing. This calculator focuses on covered in-network care.
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