Insurance Terms, Explained Simply
Deductibles, copays, coinsurance — learn what they mean so you can choose a plan with confidence.
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The 10 terms every shopper should know
Understanding these words is the difference between guessing and choosing with confidence.
Premium
The fixed amount you pay each month to keep your coverage active — like a subscription.
Example: Many Floridians pay $0–$50/month after ACA subsidies are applied.
Deductible
The amount you pay out of pocket for covered care before your insurance begins sharing costs.
Example: With a $1,500 deductible, you pay the first $1,500 of covered services yourself.
Copay
A set dollar amount you pay at the time of a visit or service. Your plan covers the rest.
Example: A $25 copay for a primary-care visit — you pay $25, insurance pays the balance.
Coinsurance
Your share of the bill (a percentage) after you have met your deductible.
Example: With 20% coinsurance on a $200 service, you pay $40 and insurance pays $160.
Out-of-Pocket Maximum
The most you will pay for covered services in a plan year. Once reached, your plan pays 100%.
Example: If your max is $8,700, once your deductibles + copays + coinsurance hit that, insurance covers everything else.
Provider Network
The doctors, hospitals, and pharmacies that have agreed to accept your plan at lower rates.
Example: Staying in-network saves thousands vs. out-of-network care for the same service.
Formulary
Your plan's list of covered prescription drugs, organized into cost tiers.
Example: A generic drug may be a $10 copay (Tier 1); a brand-name drug may be $45 (Tier 2).
Essential Health Benefits
The 10 categories of care every ACA-compliant plan must cover — no surprise gaps.
Example: Includes doctor visits, prescriptions, hospital stays, maternity, mental health, and more.
HSA (Health Savings Account)
A tax-advantaged savings account for medical expenses, paired with high-deductible plans.
Example: Money goes in tax-free, grows tax-free, and comes out tax-free for qualified medical costs.
Prior Authorization
When your plan requires approval before covering certain drugs, tests, or procedures.
Example: Your doctor may need insurer approval before a costly MRI or specialty drug is covered.
How your costs flow through the year
From your first premium payment to hitting your out-of-pocket max.
You pay this every month, whether you use care or not.
Fixed dollar amounts for routine visits and prescriptions.
For bigger services, you pay until your deductible is met.
After the deductible, you share a percentage of each bill.
Once hit, insurance pays 100% of covered care for the year.
Metal tiers: Bronze, Silver, Gold, Platinum
The tier affects how you split costs with the insurer — not the quality of care.
Bronze
- Premium
- Lowest
- Out-of-pocket
- Highest
Best if you are healthy and rarely see a doctor.
Silver
- Premium
- Balanced
- Out-of-pocket
- Moderate
Best if you are looking for the best value with cost-sharing savings.
Gold
- Premium
- Higher
- Out-of-pocket
- Lower
Best if you are using healthcare often or taking prescriptions.
Platinum
- Premium
- Highest
- Out-of-pocket
- Lowest
Best if you are managing frequent care or chronic conditions.
Common Questions
Quick Tips
- A low premium doesn't always mean low total cost — check the deductible too.
- Preventive care is free on every ACA plan, before your deductible.
- Silver plans offer extra savings (lower deductibles and copays) if your income qualifies.
- Always check if your doctor and medications are in-network before enrolling.
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