You cannot open a new HSA without being enrolled in a high-deductible health plan (HDHP), but you can keep an HSA after you leave one.

The IRS ties HSA may be able to access directly to HDHP enrollment. On the day you open an HSA, you must be covered by an HDHP and no other health insurance that would disqualify you. Once your HSA is open and funded, however, you can drop the HDHP and keep the account. The money stays yours to use for medical expenses, and it continues to grow tax-free if you do not withdraw it.

This distinction matters because many people assume losing health insurance means losing access to their HSA. It does not. What it means is you cannot contribute new money to the account once you are no longer on an HDHP. The account itself remains open and usable for as long as you live.

Key Takeaways

  • You must be enrolled in an HDHP on the day you open an HSA; you cannot open one while uninsured or on a non-HDHP plan.
  • Once an HSA is open, you can drop your HDHP and keep the account, but you cannot add new contributions without an active HDHP.
  • Money already in your HSA can be withdrawn tax-free for may have access to medical expenses at any time, regardless of your insurance status.
  • If you leave an HDHP and later enroll in another one, you can resume contributions to the same HSA account.

Why the HDHP requirement exists

Congress designed HSAs to pair with high-deductible plans specifically. The idea was to encourage people to choose lower-premium insurance in exchange for higher out-of-pocket costs, and to give them a tax-advantaged savings vehicle to cover those costs. The HDHP enrollment requirement is built into the tax code itself, so it is not something your bank or employer can waive.

For 2024, an HDHP is defined as a plan with a deductible of at least $1,600 for individual coverage or $3,200 for family coverage. The plan must also have an out-of-pocket maximum (the most you pay before insurance covers 100 percent) of no more than $4,000 for individual or $8,000 for family. These numbers change annually.

You cannot have an HSA while enrolled in Medicare, Medicaid, TRICARE, the Veterans Administration, or a health plan that covers non-emergency care before you meet the deductible. You also cannot have an HSA if someone else claims you as a dependent on their tax return, even if you are paying for your own insurance.

What happens to your HSA when you lose HDHP coverage

If you drop your HDHP or it ends (through job loss, for example), your HSA does not close automatically. The account remains open, and any money in it stays there. You simply cannot add new contributions for the months you are not on an HDHP.

You can still withdraw money from the account for may have access to medical expenses—doctor visits, prescriptions, dental work, vision care, and other IRS-approved costs. These withdrawals are tax-free as long as the money is used for a may have access to expense. If you withdraw money for something that is not a may have access to medical expense, you owe income tax on that amount plus a 20 percent penalty.

If you switch to a different HDHP later, you can resume contributions to the same HSA. There is no waiting period or need to open a new account. You simply start contributing again once you are enrolled in the new plan.

How to use HSA money without active HDHP coverage

Once you are no longer on an HDHP, your HSA becomes a medical expense savings account with no time limit. You can withdraw money for current medical bills, or you can leave it invested and untouched for years. Unlike a Flexible Spending Account (FSA), which requires you to use the money within the plan year or lose it, an HSA has no "use it or lose it" rule.

Keep receipts and documentation for any medical expense you pay from the HSA, even if you withdraw the money years later. The IRS can ask for proof that the expense was may have access to, and the burden is on you to show it. Some people withdraw money immediately after an expense; others keep the money in the account and reimburse themselves later, letting the account grow tax-free in the meantime.

If you are over 65, you can withdraw HSA money for any reason without penalty, though you will owe income tax on non-medical withdrawals. This makes an HSA a useful retirement savings tool if you have built up a balance and do not need it for medical expenses.

Reopening contributions after a gap in HDHP coverage

If you leave an HDHP and later enroll in another one, you can resume contributions to your existing HSA without any paperwork or approval process. The account simply reactivates for contributions once you are enrolled in the new HDHP.

The timing matters if you are switching plans mid-year. If you are on an HDHP for part of the year and off it for part of the year, you can only contribute a prorated amount based on the months you were covered. Your HSA provider or employer can calculate this for you, or you can do it yourself by dividing the annual contribution limit by 12 and multiplying by the number of months you were on an HDHP.

If you make a mistake and contribute too much during a year when you were not on an HDHP for the full time, you can withdraw the excess contribution plus any earnings on it, and you will owe income tax and a 6 percent penalty on the excess. It is worth getting this right, so ask your HSA provider or tax preparer if you are unsure about your contribution limit for a particular year.

Keeping your HSA after retirement or job loss

Your HSA is yours to keep regardless of what happens to your job or insurance. If you are laid off, your HSA does not disappear. If you retire, your HSA does not close. The account is portable—it belongs to you, not to your employer or your insurance plan.

If your employer sponsored your HSA through a payroll deduction, you may need to roll the money into an HSA at a bank or financial institution you choose. Some employers allow you to keep the account open after you leave; others require you to move the money. Check with your employer's benefits department or the HSA provider to understand your options.

Once the money is in your own HSA account, you control it completely. You can invest it, leave it in cash, or withdraw it as needed. There is no deadline to use it, and no one can take it away from you.

Frequently Asked Questions

Can I open an HSA if I am currently uninsured?

No. You must be enrolled in an HDHP on the day you open the account. If you are uninsured, you cannot open an HSA until you enroll in an HDHP. Once you have an HSA open, you can drop the HDHP and keep the account, but you cannot open a new one while uninsured.

What if I have an HSA but switch to a regular health plan?

Your HSA stays open and the money remains yours. You simply cannot add new contributions while you are on a non-HDHP plan. You can withdraw the money for medical expenses at any time, tax-free. If you switch back to an HDHP later, you can resume contributions to the same account.

Do I have to close my HSA when I turn 65?

No. Your HSA does not close at 65. After 65, you can withdraw money for any reason without the 20 percent penalty, though non-medical withdrawals are subject to income tax. Medical withdrawals remain tax-free for life.

Can I use my HSA money for my spouse's medical bills if they are not on my insurance?

Yes. HSA money can be used for may have access to medical expenses of you, your spouse, and any dependent you claim on your tax return, regardless of whose insurance plan covers them. The money does not have to be used only for expenses related to your HDHP.

What happens to my HSA if I move to a state with different health insurance rules?

Your HSA is federal, not state-based, so moving does not affect the account itself. However, your ability to enroll in an HDHP may change depending on what plans are available in your new state. Once you are enrolled in an HDHP in your new location, you can resume contributions to your existing HSA.