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Guides

The basics of health benefits

General information to help you understand the words and paperwork. Details vary from plan to plan, so always check your own plan documents.

Glossary

Premium
The amount you pay on a regular schedule to keep your coverage active, whether or not you use care.
Deductible
The amount you pay for covered care each year before your plan starts sharing the cost.
Copayment (copay)
A fixed amount you pay for a specific service, such as a doctor visit or a prescription.
Coinsurance
Your share of the cost of a covered service, shown as a percentage, after you have met your deductible.
Out-of-pocket maximum
The most you pay for covered care in a plan year. After you reach it, the plan pays covered costs.
Network
The doctors, hospitals and other providers that have agreed to work with your plan. Costs are usually lower inside it.
Prior authorization
Approval your plan may require before it will cover a particular service or medicine.
Formulary
The list of prescription drugs a plan covers, often grouped into tiers that cost different amounts.
Explanation of benefits (EOB)
A statement from your plan showing what was billed, what it paid and what you may owe. It is not a bill.

Simple checklists

Reading a benefits summary

  • Find the premium, deductible and out-of-pocket maximum first.
  • Check whether your doctors and hospitals are in the network.
  • Look up your regular medicines in the formulary.
  • Note which services need prior authorization.

Questions worth asking

  • What will I pay before the plan starts to share costs?
  • What is the most I could pay in a year?
  • Is this provider or medicine covered, and at what cost?
  • What happens if I need care away from home?

Keeping your records

  • Save every explanation of benefits you receive.
  • Compare each EOB with the bill before you pay.
  • Keep notes of calls, including the date and the name of the person you spoke with.
  • Ask for anything important in writing.