Do I Lose My HSA Money at the End of the Year?

No. HSA funds do not expire at the end of the year. Every dollar in a Health Savings Account rolls over automatically, with no deadline to spend it and no cap on how much can carry forward.¹ The money is yours. It stays in the account whether you spend it this month, next decade, or never.

HSA Carryover vs. FSA Forfeiture

The confusion usually comes from mixing up an HSA with a Flexible Spending Account. An FSA generally follows a use-it-or-lose-it rule: whatever you don’t spend by the plan’s deadline is forfeited. An HSA works the opposite way. Anything you don’t spend this year carries into next year in full, including any interest or investment gains the balance earned.¹ There is no annual cap on the rollover and no penalty for leaving money sitting in the account.

That structure lets an HSA work as both a short-term spending tool and a long-term savings vehicle. You can pay for a prescription this afternoon or leave the balance invested for thirty years and draw on it in retirement. The account doesn’t force the choice.

The Account Belongs to You

Federal law defines an HSA as an individual trust or custodial account and states that your interest in the balance is nonforfeitable.² Every dollar deposited, including employer contributions, is legally yours from the moment it lands. No vesting schedule. No waiting period.

You also keep the account if you leave your job. Your former employer has no claim to the funds regardless of why you left. If a new employer uses a different HSA custodian, you can request a trustee-to-trustee transfer to move the money directly. Direct transfers are not taxable and have no annual limit.³ You can also take a distribution and redeposit it into another HSA within 60 days, but that type of rollover is limited to once every 12 months.⁴ A trustee-to-trustee transfer is simpler and avoids that limit.

What Qualifies as a Tax-Free Withdrawal

Because there is no spending deadline, the practical question is what you can use the balance on when you’re ready. Withdrawals are tax-free when used for qualified medical expenses, which the IRS defines broadly as costs related to the diagnosis, treatment, or prevention of disease, or expenses that affect any structure or function of the body.⁵ Doctor visits, dental work, vision care, prescriptions, lab tests, and mental health therapy for a diagnosed condition all qualify.

Since the CARES Act took effect in 2020, over-the-counter medications no longer need a prescription to be reimbursed. Pain relievers, allergy medicine, cold remedies, antacids, and sleep aids all count. Menstrual care products, including pads, tampons, and cups, are eligible. So are sunscreen, contact lens solution, first-aid supplies, and personal protective equipment like face masks and hand sanitizer.

Costs that are merely beneficial to general health, such as a gym membership or vitamins not prescribed for a specific condition, do not qualify. Keep receipts for anything you reimburse yourself for. There is no time limit on when the IRS can ask you to prove a distribution was used for an eligible purpose.

What Happens If Your Health Plan Changes

Losing HDHP coverage doesn’t cost you the balance. If you switch to a traditional health plan with a lower deductible, or pick up other disqualifying coverage, you can no longer make new contributions to the HSA.⁶ The money already in the account stays where it is, and you can still withdraw it tax-free for qualified medical expenses at any point, regardless of what coverage you have at the time.

What Happens at Medicare Enrollment

Medicare works the same way as any other disqualifying coverage: it stops future contributions but doesn’t touch the balance. Once you enroll in Medicare Part A, Part B, or both, your HSA contribution limit drops to zero starting with the first month of coverage, and this applies even if enrollment is retroactive.¹

The existing balance remains yours, and it can still pay tax-free for qualified medical costs, including Medicare premiums, deductibles, copayments, and prescriptions. At age 65, the rules loosen further. The 20% additional tax on non-medical withdrawals disappears, and you can pull funds out for any purpose paying only ordinary income tax on the amount, the same treatment a traditional IRA distribution receives.¹ Medical withdrawals stay completely tax-free at any age.

The Real Way to Lose HSA Money

HSA funds don’t expire, but they can be taxed heavily if you spend them wrong. Withdraw money for anything other than a qualified medical expense before age 65 and you owe both ordinary income tax and an additional 20% tax on the amount. For someone in the 22% federal bracket, that combination consumes roughly 42% of the withdrawal. The 20% penalty is waived after age 65, after disability, or at death, though ordinary income tax still applies to non-medical use.¹

Overcontributing carries its own cost. Excess contributions face a 6% excise tax for every year they remain in the account. You can avoid the penalty by withdrawing the excess amount, along with any earnings on it, before your tax filing deadline, extensions included.

What Happens to the Balance When You Die

The account eventually ends, but by inheritance, not by expiration. If your surviving spouse is the named beneficiary, the account becomes your spouse’s own HSA and continues functioning normally. Withdrawals for qualified medical expenses stay tax-free.¹

If a non-spouse is the beneficiary, the account stops being an HSA on the date of death, and the full fair market value becomes taxable income to the beneficiary in the year you die.¹ With no beneficiary named, the funds fall into your estate and the value is included on your final income tax return. Naming a beneficiary, and updating it after major life events, keeps the money out of probate and directs it where you want.

1
Internal Revenue Service. Publication 969 (2025), Health Savings Accounts and Other Tax-Favored Health Plans
2
United States Code. a href=”https://uscode.house.gov/view.xhtml?req=(title:26%20section:223%20edition:prelim)” target=”_blank” rel=”noopener”>26 USC 223 – Health Savings Accounts
3
Internal Revenue Service. Instructions for Form 8889, Health Savings Accounts
4
Office of the Law Revision Counsel. 26 USC 223 – Health Savings Accounts
5
Internal Revenue Service. Frequently Asked Questions About Medical Expenses Related to Nutrition, Wellness, and General Health
6
Internal Revenue Service. Individuals Who Qualify for an HSA