What Is a Health Savings Account?
A health savings account, or HSA, is a tax-advantaged plan that makes it easier to cover out-of-pocket medical expenses. With pretax contributions, you'll be able to pay for your current or future qualified health care costs.
When you combine your high-deductible health plan (HDHP) with an HSA, the money that you put in and withdraw from the account is tax-free. You'll be able to keep the account and carry over any unused funds each year.