Health Insurance

FundamentalPersonal Finance2 min read

Quick Definition

A contract that covers a portion of medical expenses in exchange for regular premium payments.

Key Takeaways

  • Understand the total cost: premiums + deductible + copays + coinsurance
  • HDHPs paired with HSAs can provide both coverage and tax-advantaged savings
  • ACA subsidies significantly reduce costs for households under 400% of the federal poverty level
  • Open enrollment is typically November 1 - January 15 for marketplace plans

What Is Health Insurance?

Health insurance is a financial product that helps cover the cost of medical care by spreading risk across a pool of insured individuals. Policyholders pay regular premiums and the insurer covers a portion of eligible medical expenses according to the plan's terms. Key components include premiums (monthly cost), deductibles (amount paid before insurance kicks in), copays (fixed amount per visit), coinsurance (percentage share after deductible), and out-of-pocket maximums (annual spending cap). Health insurance is available through employers (group plans), government programs (Medicare, Medicaid, ACA marketplace), and private purchase. The Affordable Care Act (ACA) established essential health benefits, prohibited denial for pre-existing conditions, and created insurance marketplaces with income-based subsidies.

Health Insurance Example

  • 1A family selects an employer PPO plan with a $3,000 deductible, $30 copays, and $8,000 out-of-pocket maximum for $800/month in premiums.
  • 2An ACA marketplace silver plan costs $450/month before subsidies but only $125/month for a household earning 250% of the federal poverty level.
  • 3An HSA-compatible high-deductible plan (HDHP) with a $3,200 deductible allows tax-advantaged savings of up to $4,300 (individual, 2026) in a Health Savings Account.