A health savings account reduces what you pay for medical care in three separate ways
A Health Savings Account (HSA) works like a tax-advantaged savings account paired with a high-deductible health plan. The main benefit is that money you put in is not taxed, the money you withdraw for medical expenses is not taxed, and the money that sits unused can grow tax-free year to year. This creates a compounding advantage that regular savings accounts do not offer.
The three separate tax breaks are what make an HSA different from just setting money aside. First, contributions reduce your taxable income for the year you make them. Second, withdrawals for may have access to medical expenses (doctor visits, prescriptions, dental work, vision care, medical equipment) come out tax-free. Third, any balance you do not spend rolls forward indefinitely and can be invested like a retirement account, growing tax-free until you need it.
The catch is that you must be enrolled in a high-deductible health plan to open or contribute to an HSA. You cannot have other health coverage at the same time, with narrow exceptions for specific plans like dental-only or vision-only coverage. If you leave that plan or gain other coverage, you can still withdraw from the account, but you cannot add new money to it.
Key Takeaways
- Contributions to an HSA reduce your taxable income in the year you make them, lowering your federal income tax bill.
- Withdrawals for may have access to medical expenses—doctor visits, prescriptions, dental, vision, and medical equipment—are never taxed.
- Money you do not spend stays in the account and can be invested to grow tax-free, making an HSA function like a retirement account for healthcare costs.
- You must be enrolled in a high-deductible health plan to contribute, and you cannot have other health coverage at the same time.
- After age 65, you can withdraw money for any reason without penalty, though non-medical withdrawals become taxable income.
How the tax savings work at contribution time
When you contribute money to an HSA, that amount comes off the top of your taxable income. If you earn $60,000 and contribute $4,000 to an HSA, you report only $56,000 as taxable income to the IRS. This lowers your federal income tax, and in most states, your state income tax as well.
The contribution limits change yearly. For 2024, the limit is $4,150 for individual coverage and $8,300 for family coverage. If you are 55 or older, you can add an extra $1,000 per year. You can contribute through payroll deduction (which also saves you Social Security and Medicare taxes) or by depositing money yourself and deducting it on your tax return.
The tax savings at contribution time is straightforward math: if you are in the 22% federal tax bracket and contribute $4,000, you save $880 in federal tax alone. Add state tax and you might save $1,000 or more depending on where you live. This happens whether you use the money that year or not.
Tax-free withdrawals for medical expenses
Any money you withdraw from an HSA to pay for a may have access to medical expense comes out completely tax-free. may have access to expenses include doctor visits, hospital stays, prescription medications, dental work, vision care, hearing aids, medical equipment like crutches or wheelchairs, and mental health treatment. The IRS publishes a full list, but the rule is broad: if it treats, diagnoses, or prevents a medical condition, it usually counts.
You do not need to withdraw the money when ready when you incur the expense. You can pay out of pocket and reimburse yourself from the HSA months or years later. This flexibility means you can let the money grow invested while you cover current medical costs with other funds, then withdraw from the HSA when you need the money.
Over-the-counter items like pain relievers, cold medicine, and bandages are may have access to expenses only if you have a prescription for them. Cosmetic procedures, gym memberships, and vitamins are not covered unless they treat a specific medical condition documented by a doctor.
Money that rolls forward grows tax-free indefinitely
Unlike a flexible spending account (FSA), which forces you to use the money or lose it each year, an HSA balance carries forward forever. Any money you do not spend stays in the account and can be invested in mutual funds, stocks, or bonds depending on what your HSA provider offers. The growth on that investment is never taxed.
This creates a long-term wealth-building tool. If you are healthy and do not need much medical care, you can let your HSA grow for decades. Someone who contributes $4,000 per year for 30 years and invests it conservatively could accumulate well over $200,000 (depending on investment returns), all of which can be withdrawn tax-free for medical expenses in retirement.
The account belongs to you, not your employer. If you change jobs, the HSA moves with you. If you retire, you keep the account. There is no "use it or lose it" important date and no requirement to spend the money by a certain age.
Lower out-of-pocket costs when you need care
High-deductible health plans typically have lower monthly premiums than traditional plans. The trade-off is that you pay more out of pocket before insurance kicks in. An HSA helps offset that trade-off by giving you a dedicated fund to cover those out-of-pocket costs with pre-tax money.
If your plan has a $3,000 deductible and you need a $2,000 surgery, you pay the $2,000 from your HSA using money that was never taxed. You save the tax that would have been taken from your paycheck to cover that cost. Over time, if you stay healthy and do not use much care, the HSA balance grows faster than you deplete it, creating a cushion for future medical expenses.
The combination of a lower premium and the tax advantage of the HSA often results in lower total healthcare costs compared to a traditional plan, especially for people who are relatively healthy and do not expect major medical expenses in a given year.
Access to the money after age 65 without penalty
At age 65, you become may be able to access for Medicare, and the rules around HSA withdrawals change. You can still withdraw money for may have access to medical expenses tax-free. But you can also withdraw money for any reason without the 20% penalty that applies to non-medical withdrawals before age 65. Non-medical withdrawals after 65 are taxed as ordinary income, but the penalty goes away.
This effectively converts an HSA into a retirement account at age 65. If you have accumulated a large balance and do not need it all for medical expenses, you can use it for living expenses in retirement and pay only income tax on the withdrawals—the same treatment as a traditional IRA or 401(k).
Medicare premiums, copayments, and coinsurance are may have access to medical expenses, so you can use HSA funds to cover those costs in retirement. Long-term care insurance premiums (up to a limit) and nursing home care are also covered.
Frequently Asked Questions
Can I use HSA money for my spouse's medical expenses?
Yes. If you are married and file taxes jointly, you can use your HSA to pay for your spouse's may have access to medical expenses even if they are not on your health plan. The money does not have to be used only for the person whose name is on the account.
What happens to my HSA if I switch to a different health plan?
The account stays open and the money remains yours. You can no longer contribute new money if you move to a plan that is not high-deductible, but you can withdraw from the existing balance for may have access to medical expenses at any time. If you return to a high-deductible plan later, you can resume contributions.
Can I withdraw money from my HSA to pay for health insurance premiums?
You can use HSA funds to pay premiums for long-term care insurance and for health insurance while you are unemployed and receiving unemployment benefits. You cannot use it for regular health insurance premiums while employed, with the exception of COBRA continuation coverage.
Is there a important date to spend HSA money each year?
No. Unlike a flexible spending account, there is no "use it or lose it" rule. Money rolls forward year to year indefinitely. You can accumulate a balance over many years and withdraw it whenever you need it for may have access to medical expenses.
What if I withdraw money from my HSA for something that is not a may have access to medical expense?
Before age 65, you owe income tax on the withdrawal plus a 20% penalty. After age 65, you owe only income tax with no penalty. Keep receipts for all medical expenses you pay from the HSA in case the IRS asks for documentation.