You can have both an FSA and an HSA, but only under specific circumstances, and the rules depend on which type of FSA you own

The short answer is yes — but with conditions. If you have a Health Savings Account (HSA), you can also have a Limited-Purpose FSA (also called a restricted FSA) at the same time. However, you cannot have a general-purpose FSA and an HSA together in the same year. The IRS treats these two accounts as overlapping coverage, and holding both would disqualify you from HSA tax benefits.

The reason for this rule comes down to how the IRS defines HSA may be able to access. To contribute to an HSA, you must be enrolled in a High Deductible Health Plan (HDHP) and cannot have other health coverage that would pay for medical expenses before you meet your deductible. A regular FSA counts as that kind of coverage, so the two conflict. A Limited-Purpose FSA, by contrast, only covers dental, vision, and hearing expenses — not general medical care — so it does not interfere with HSA may be able to access.

Key Takeaways

  • You can hold an HSA and a Limited-Purpose FSA in the same year, but you cannot hold an HSA and a general-purpose FSA together.
  • A Limited-Purpose FSA covers only dental, vision, and hearing expenses, which keeps it from conflicting with HSA rules.
  • If you currently have a general-purpose FSA and want to open an HSA, you must stop contributing to the FSA or wait until the plan year ends.
  • Some employers offer both account types to the same employee, but you must choose which one to fund each year, or use the Limited-Purpose FSA if you want both.

How a Limited-Purpose FSA works with an HSA

A Limited-Purpose FSA is designed specifically to pair with an HSA. It lets you set aside pre-tax money for dental, vision, and hearing care — the same expenses an HSA can cover, but in a separate account. Because it does not pay for general medical expenses, the IRS does not consider it "other health coverage" that would disqualify you from an HSA.

The practical benefit is that you get two tax-advantaged accounts working together. Your HSA covers medical expenses and builds a long-term balance (it rolls over year to year). Your Limited-Purpose FSA covers the specific categories the IRS allows, and any unused balance may be forfeited at year-end, depending on your plan. This combination lets you shelter more income from taxes while keeping the HSA's flexibility and investment growth.

Not all employers offer a Limited-Purpose FSA option. If your employer does, it will usually appear as a separate choice during open enrollment, often labeled as "Limited FSA" or "Restricted FSA." You would then choose whether to fund the HSA, the Limited-Purpose FSA, or both.

What happens if you have a general-purpose FSA and want an HSA

If you currently contribute to a regular FSA, you cannot open or contribute to an HSA in the same year. The IRS rule is strict: HSA may be able to access requires that you have no other health coverage except an HDHP. A general-purpose FSA counts as other coverage.

You have two options. First, you can stop contributing to your FSA when ready and switch to an HSA if your employer offers one. However, any money already in your FSA for the current year remains there — you cannot move it to the HSA or get it back as a refund. Second, you can wait until the plan year ends, let your FSA close, and then open an HSA in the next year. Some employers allow mid-year changes if you have a may have access to life event (marriage, birth of a child, loss of coverage), but this varies by plan.

Before making this switch, calculate whether the HSA's long-term benefits outweigh losing the FSA money you have already set aside. An HSA rolls over indefinitely and can be invested, while an FSA typically has a use-it-or-lose-it rule. For many people, the HSA's flexibility makes it worth the trade-off.

Employer plans that offer both accounts

Some larger employers offer both a general-purpose FSA and an HSA option, but you cannot fund both in the same year. Instead, you choose one during open enrollment. The employer's benefits guide will explain which accounts are available and whether a Limited-Purpose FSA is offered as a third option.

If your employer offers an HSA and a Limited-Purpose FSA, you can fund both. If they offer an HSA and a general-purpose FSA only, you must pick one. The decision often depends on your expected medical expenses and whether you want to build long-term savings. An HSA is better if you expect low medical costs and want to invest the money. An FSA is better if you have predictable dental or vision expenses and want to use the money within the year.

Your employer's benefits administrator or HR department can tell you which accounts are available and whether a Limited-Purpose FSA is an option. This information usually appears in the open enrollment materials or on the benefits portal.

The tax and coverage rules that create this restriction

The restriction exists because of how the IRS defines HSA may be able to access. To contribute to an HSA, you must meet three conditions: you must be covered by an HDHP, you must have no other health insurance (with limited exceptions), and you must not be claimed as a dependent on someone else's tax return. A general-purpose FSA violates the second condition because it is considered health coverage that pays medical expenses before your deductible is met.

The IRS treats an FSA as "other health coverage" because it reimburses medical expenses with pre-tax dollars. An HDHP is designed to shift more cost to the individual until the deductible is reached, which encourages people to be cost-conscious consumers. An FSA that pays those costs defeats that purpose, so the IRS does not allow both.

A Limited-Purpose FSA gets around this rule because it only covers dental, vision, and hearing — categories that fall outside the HDHP's deductible structure. The IRS treats these as separate from general medical coverage, so they do not conflict with HSA may be able to access.

Coordinating expenses between an HSA and Limited-Purpose FSA

If you have both accounts, you need a strategy for which account to use for which expenses. Dental, vision, and hearing expenses can come from either account, so you have a choice. General medical expenses can only come from the HSA.

Many people use the Limited-Purpose FSA for predictable dental and vision costs (cleanings, exams, glasses, contacts) because those expenses are easier to estimate. They use the HSA for everything else and let it grow as an investment if they do not need the money when ready. This approach maximizes the HSA's long-term value while using the FSA's use-it-or-lose-it structure for expenses you know are coming.

Keep receipts and records for both accounts. If you reimburse yourself from the wrong account, the IRS can impose penalties and taxes. The accounts are separate, and each one has its own rules about what qualifies and what documentation you need.

Frequently Asked Questions

If I have an HSA, can I add a general-purpose FSA later in the year?

No. Once you are enrolled in an HSA, you cannot open a general-purpose FSA in the same plan year. You would lose HSA may be able to access when ready. You can only add a Limited-Purpose FSA if your employer offers one and you have not already started HSA contributions.

What if my employer only offers a general FSA, not a Limited-Purpose one?

Then you must choose between the FSA and the HSA each year. You cannot have both. If your employer offers an HDHP and HSA but only a general-purpose FSA, ask your HR department whether they can add a Limited-Purpose FSA option. Some employers will create one if enough employees request it.

Can I move money from an FSA to an HSA?

No. FSA and HSA are separate accounts with separate funds. Money in an FSA cannot be transferred to an HSA. If you stop contributing to an FSA to open an HSA, any FSA balance you have remains in the FSA account until you use it or it is forfeited.

Do I have to use up my Limited-Purpose FSA before using my HSA?

No. You can use both accounts in the same year. There is no rule that requires you to exhaust one before using the other. You can pay for dental expenses from the Limited-Purpose FSA and medical expenses from the HSA simultaneously.

What happens to my HSA if I switch to a general-purpose FSA?

Your HSA account stays open and the money remains yours, but you cannot make new contributions once you enroll in a general-purpose FSA. You lose HSA may be able to access for that year. You can resume HSA contributions in a future year if you drop the general-purpose FSA.