2024-01-01 · personal, health

Health Coverage

Overview

Health insurance helps cover the cost of medical care, from routine checkups to major procedures. Plans differ by network, cost-sharing structure, and covered services, so comparing benefits and total out-of-pocket costs is essential.

What health insurance typically covers

Preventive care: annual physicals, screenings, and vaccines.
Primary and specialist care: office visits, diagnostics, and referrals.
Hospital services: inpatient stays, surgeries, and emergency care.
Prescription drugs: medications under a plan’s formulary.
Mental health services: therapy, counseling, and inpatient treatment.

Common exclusions and limitations

Out-of-network costs: higher coinsurance or no coverage at all.
Non-formulary drugs: may require prior authorization or pay full price.
Cosmetic procedures: generally excluded unless medically necessary.
Coverage limits: some services have visit caps or require referrals.

Key cost components

Premium: what you pay monthly to keep coverage active.
Deductible: amount you pay before coverage begins (except preventive care).
Copay/coinsurance: your share after the deductible.
Out-of-pocket maximum: the annual cap on covered expenses.

Confused by cost-sharing terms? Our copay vs coinsurance vs deductible comparison breaks down each one.

How to compare plans

Check network fit: verify your doctors and preferred hospitals are included.
Estimate total cost: add premiums and typical out-of-pocket spending. For a breakdown of average costs by plan type, see our health insurance cost guide.
Review drug coverage: ensure your medications are on the formulary.
Consider plan type: HMO, PPO, or HDHP depending on flexibility needs.

For guidance on when and how to enroll, including marketplace subsidies and special enrollment periods, see our enrollment guide. Marketplace shoppers should also review the 2026 ACA subsidy update, which explains how the expiration of the enhanced premium tax credits affects 2026 premiums.

Tips for choosing coverage

If you expect higher medical use, a higher premium with lower out-of-pocket costs can reduce total spend.
For low expected use, a high-deductible plan paired with an HSA may offer savings. Learn how to choose between these tax-advantaged accounts in our HSA vs FSA guide.
If you’re self-employed, see our guide to health insurance for freelancers and contractors.
Always read the summary of benefits and coverage (SBC) for details.

Frequently asked questions

Is preventive care really free? Often yes, when using in-network providers, but confirm your plan’s preventive services list.

Can I keep my current doctor? Only if they are in-network for the plan you select; check before enrolling.

What happens if I go out of network? Many plans reduce or deny coverage, and you may be responsible for most costs.

Practical next steps

If you are choosing a health plan, start by listing your expected medical needs for the year: regular prescriptions, specialist visits, planned procedures, and any chronic conditions. Then estimate your total annual cost under each plan by adding premiums plus likely out-of-pocket spending. The cheapest premium is not always the cheapest plan once you factor in deductibles and copays.

Check that your preferred doctors and hospitals are in-network before enrolling. If you take prescription medications, search each plan’s formulary to confirm your drugs are covered and at what tier. For more details on timing and eligibility, see our enrollment guide.

Information to gather before choosing a plan

A list of your current doctors, specialists, and preferred hospitals.
All prescription medications with dosages and frequency.
Your estimated household income (needed for marketplace subsidy calculations).
Any planned procedures or treatments for the coming year.
Your current plan’s Summary of Benefits and Coverage (SBC) for comparison.

Common health insurance mistakes

Choosing the lowest premium without checking total cost. A low premium with a $7,000 deductible can cost more than a moderate premium with a $1,500 deductible if you use medical services regularly.
Not verifying your doctor is in-network. Out-of-network visits can cost 2 to 5 times more, or may not be covered at all under HMO plans.
Ignoring the formulary. A plan that does not cover your medications at a reasonable tier can add hundreds of dollars per month.
Missing enrollment deadlines. Outside of open enrollment, you can only enroll during a special enrollment period triggered by a qualifying life event.
Skipping preventive care. Most plans cover preventive services at no cost when you use in-network providers. Annual checkups catch problems early and reduce long-term costs.

Annual health plan review

Review your plan during each open enrollment period:

Check whether your doctors and hospitals are still in-network for next year’s plan.
Verify that your prescriptions are still on the formulary and at the same cost tier.
Recalculate your expected medical expenses and compare plan options using total annual cost (premiums + expected out-of-pocket).
Check for subsidy eligibility changes if your income has shifted.
Review whether an HSA-eligible high-deductible plan makes sense for your situation.

Turning 65? See our Medicare basics guide for Parts A through D, costs, and enrollment.