Bills & costs
Billing and insurance terms
Plain-English definitions of the words on your medical bills, insurance plans and Medicare notices.
Insurance basics
11- Coinsurance
- Copay (Copayment)
- Copay vs Deductible vs Coinsurance
- Copayment vs Coinsurance
- Deductible
- Flexible Spending Account (FSA)
- High-Deductible Health Plan (HDHP)
- HSA vs FSA: Health Savings Account vs Flexible Spending Account
- In-Network vs Out-of-Network
- In-Network vs. Out-of-Network Coinsurance
- Prior Authorization