Tax implications for the future
When you (or your spouse or dependents) incur eligible medical expenses, you can withdraw money from your HSA tax-free to pay for them, either directly via an account-linked debit card or by being reimbursed from your account. (This is different from, say, a traditional 401(k) or IRA, where you contribute pretax or tax-deductible dollars but owe tax when you withdraw.) In general, you can use HSA funds toward medical, dental, vision and prescription drug expenses, including copays, deductibles and coinsurance.
HSAs can help offset eligible health care expenses while lowering taxes.
Also, because there’s no limit on when you can tap your account, HSAs are attractive for retirement planning. Indeed, with an HSA, you could incur an expense now and get reimbursed for it 10 years from now (as long as you have proof of the expense).
This means you may not have to use taxable withdrawals from your “retirement” account for medical expenses. In fact, it amounts to free health care in your golden years.
Tax implications for investing
You can invest some or all of your HSA funds, just like you can for an IRA. Your HSA investments can grow tax free. This results in triple tax savings: You save on taxes once when you contribute, again on your potential investment growth, and finally when you withdraw the funds to pay for eligible medical expenses.
Using an HSA with Medicare
When you enroll in Medicare, you must stop contributing to your HSA. However, you can still withdraw money from your account, tax free, for qualified medical expenses that Medicare doesn't cover.
If you reach retirement age and are still working, you can delay your Medicare enrollment so you can continue to contribute to your HSA. However, you also will have to delay collecting Social Security benefits, because once you start taking those, you automatically enroll in Medicare. (You can't decline your Medicare Part A benefits while you are collecting Social Security benefits.)
Penalties and tax liabilities
Stop contributing to your health savings account six months before you enroll in Medicare, which covers you retroactively for those six months. (You could be subject to taxes.)
Also, if you withdraw HSA funds for nonmedical expenses before you turn 65, you’ll owe income tax on the withdrawal and an additional 20% penalty. (If you do so after age 65, you’ll avoid the penalty but will still owe income tax on the withdrawal.)
What happens to your HSA if you die
You can pass your HSA money on to your heirs. How it’s taxed depends on whether you use a will or a trust for your estate.
Other health plans you can have at work
You can’t have other health care coverage when you enroll in a high-deductible health plan with an HSA, with these exceptions:
- You can carry coverage for a specified illness.
- You can have coverage that pays a set amount per day of hospitalization.
- You can have coverage for accidents, disability, dental and vision care, and long-term care.
- You can have coverage for workers' compensation liabilities, or property ownership liabilities.
Also keep in mind that if you contribute to an HSA, you can’t fund a health care flexible spending account (FSA). Even so, you may be able to contribute to a “limited purpose” FSA that covers only dental and vision expenses.
Reporting on your tax return
If you contribute to a health savings account or withdraw money from one, you may need to report it on IRS Form 8889 when you file your federal income taxes. You may also need to keep proof of the expenses covered by HSA money in case you get audited. Please consult your tax advisor concerning your particular circumstances.