Is There a Catch-Up Contribution for Your HSA?

If you’re 55 or older and covered by a qualifying high-deductible health plan, the HSA catch-up contribution lets you put an extra $1,000 into your Health Savings Account each year on top of the regular limit. For 2026, that means up to $5,400 with self-only coverage or $9,750 with family coverage. The $1,000 add-on is set by statute and hasn’t changed since 2009.¹

Who Qualifies

Three conditions have to line up. You must turn 55 by December 31 of the tax year the contribution is for. You must be covered by a qualifying HDHP on the first day of any month you want to contribute for. And you cannot be enrolled in Medicare.

The age rule is firm. Being 54 disqualifies you regardless of your medical bills. The flip side: the catch-up is available throughout the calendar year you turn 55, so you don’t have to wait for your birthday.

2026 Limits at a Glance

The IRS adjusts the base HSA limits for inflation each year. The catch-up stays at $1,000. For 2026:²

Self-only coverage: $4,400 base, $5,400 with the catch-up
Family coverage: $8,750 base, $9,750 with the catch-up

Anything your employer puts in counts toward your base limit. If your employer deposits $1,500 and you have self-only coverage, you can add $2,900 yourself to reach the $4,400 base, plus the $1,000 catch-up if you’re eligible.

Your Plan Has to Qualify First

No HDHP, no catch-up. For 2026, the plan must have a minimum annual deductible of $1,700 for self-only coverage or $3,400 for family coverage, and out-of-pocket maximums no higher than $8,500 or $17,000.² Out-of-pocket figures include deductibles and copays but not premiums.

You also can’t carry other health coverage that overlaps with the HDHP, with narrow exceptions for dental, vision, and certain preventive care.¹ If your plan sits outside those boundaries, you can’t contribute to an HSA at all, catch-up or regular.

Married Couples: Each Spouse Needs an Account

When both spouses are 55 or older, each one can contribute $1,000 extra, but each catch-up has to go into that spouse’s own HSA. You cannot stack both $1,000 amounts in a single account, even if one spouse’s family HDHP covers you both.³

If the second spouse never opens an HSA, that $1,000 opportunity is lost for the year. Depositing both catch-ups into one account creates an excess contribution, which the IRS taxes at 6 percent for every year it stays put.⁴

For a couple on family HDHP coverage where both are 55 or older in 2026, the combined ceiling is $10,750: the $8,750 family base plus $1,000 in each spouse’s separate HSA.

Medicare Shuts Off Contributions

The moment you enroll in any part of Medicare, your HSA contribution limit drops to zero starting with that month. You can still spend what’s already in the account tax-free on qualified medical expenses, but no new deposits are allowed, catch-ups included.¹

The Retroactive Part A Trap

If you plan to work past 65 and keep contributing, watch out when you file for Social Security. Applying for Social Security automatically enrolls you in Medicare Part A, and once you’re past full retirement age that enrollment can be backdated up to six months. The IRS treats those retroactive months as months you were ineligible, so any HSA deposits during that period become excess contributions.³

The usual safeguard is to stop HSA contributions at least six months before you file for Social Security. If retroactive enrollment has already caught you, pull the excess (and any earnings on it) by your tax filing deadline to avoid the ongoing 6 percent penalty.

Partial Years and the Last-Month Rule

If HDHP coverage doesn’t cover your whole year — new job, plan change, Medicare mid-year — your limit is pro-rated. Count the months you were eligible on the first of the month, divide by 12, and multiply by the full annual limit including any catch-up.³ A 57-year-old with self-only HDHP coverage starting June 1, 2026 gets seven months of eligibility: $5,400 × 7 ÷ 12 = $3,150.

There’s a shortcut. If you have HDHP coverage on December 1, the last-month rule lets you contribute the full annual amount as if you’d been eligible all year, catch-up included.¹ The catch is a 13-month testing period: you have to stay in an HDHP from that December through the end of the following year. If you lose eligibility in the window — by dropping the plan, enrolling in Medicare, or switching to a non-qualifying plan — the amount above what pro-rating would have allowed is added back to your taxable income with an additional 10 percent tax. Death and disability are the only exceptions.³

How and When to Contribute

You have two ways to fund the extra $1,000. Adjust your payroll election so your employer sends it in pre-tax, which saves income tax and payroll taxes. Or deposit directly from your bank and claim the deduction on your return.

The contribution deadline is your tax filing deadline, typically April 15 of the following year. For the 2026 tax year, you have until April 15, 2027 to top off the account.³

Report everything on Form 8889, filed with your federal return. The form captures contributions (yours and your employer’s), the deduction, and any distributions. Catch-up amounts are included in the total contribution figure; there’s no separate line.⁵

If You Contribute Too Much

Miscounted months, forgot an employer deposit, or stacked both spouses’ catch-ups in one account? You can fix it without penalty by withdrawing the excess plus any earnings on it by the due date of your return, including extensions. You’ll pay income tax on the withdrawn earnings but avoid the 6 percent excise tax that applies each year the excess sits in the account.⁶ Corrections are reported on Form 5329, Part VII, along with an updated Form 8889.

Why the Catch-Up Matters More After 65

HSA withdrawals for qualified medical expenses are always tax-free. Before 65, non-medical withdrawals cost you income tax plus a 20 percent additional tax. After 65, the 20 percent goes away and non-medical withdrawals are simply taxed as ordinary income, like a traditional IRA distribution.¹

That’s what makes the catch-up a useful retirement tool. Money you put in at 55 has a decade to grow tax-free before 65, and the typical big expenses of retirement — Medicare premiums, long-term care, prescription drugs — all qualify for tax-free withdrawal.

A Note on State Taxes

The federal benefits apply everywhere: deductible going in, tax-free growth, tax-free medical withdrawals. A couple of states don’t follow the federal rules and tax HSA contributions or earnings at the state level. If you live in one, the catch-up still cuts your federal tax but not your state tax. Check your state’s treatment before counting on the full benefit.

1
Office of the Law Revision Counsel. 26 USC 223 Health Savings Accounts
2
Internal Revenue Service. Revenue Procedure 2025-19
3
Internal Revenue Service. Publication 969, Health Savings Accounts and Other Tax-Favored Health Plans
4
Internal Revenue Service. Publication 969, Health Savings Accounts and Other Tax-Favored Health Plans – Section: Excess Contributions
5
Internal Revenue Service. About Form 8889, Health Savings Accounts
6
Internal Revenue Service. Instructions for Form 5329