A FIA account is a savings account that lets you set aside money in a tax-advantaged way for specific future expenses.
FIA stands for Flexible Spending Account, though the term is sometimes used loosely to describe several different account types. The most common meaning is a Flexible Spending Arrangement (FSA) — an employer-sponsored account where you contribute pre-tax dollars to pay for medical or dependent care expenses that you know are coming. Your employer deducts the money from your paycheck before taxes are calculated, which lowers your taxable income for the year.
The money sits in the account until you need it. When you have a covered expense — a doctor's visit, prescription, dental work, or childcare — you submit a claim or use a debit card linked to the account, and the funds are released to pay for it. Because the money never gets taxed, you save on federal income tax, Social Security tax, and Medicare tax on whatever you contribute.
The trade-off is strict: the money must be used for the specific category your account covers, and most FSAs operate on a "use it or lose it" rule. Any balance left at the end of the plan year is forfeited — you cannot roll it over or cash it out. Some employers offer a grace period of up to 2.5 months into the next year, or a carryover of up to $610 (the limit changes yearly), but this varies by plan.
Key Takeaways
- A FIA account uses pre-tax money from your paycheck, which reduces the income tax you owe that year.
- You must use the money only for expenses in the category your account covers — medical, dental, vision, or dependent care — or you forfeit it.
- Most FSAs follow a use-it-or-lose-it rule, meaning any unspent balance at year-end is gone unless your employer offers a grace period or carryover.
- You set your contribution amount during your employer's open enrollment period, usually once per year, and cannot change it mid-year unless you have a may have access to life event.
- FSAs are employer-sponsored, so you can only open one if your employer offers the plan — they are not available to self-employed people or those whose employers do not participate.
How much you can contribute and when
Your employer sets up the FSA plan, and you choose how much to contribute during open enrollment, which typically happens once a year in the fall for coverage starting January 1. The IRS sets a maximum contribution limit, which changes annually. For 2024, the limit for a medical FSA is $3,200 per person; for dependent care FSAs, it is $5,000 per household per year (or $2,500 if you are married and file taxes separately).
You cannot change your contribution mid-year unless you have a may have access to life event — marriage, divorce, birth or adoption of a child, loss of other health coverage, or a significant change in childcare costs. Your employer's benefits administrator determines what counts as may have access to and handles the change request.
The money comes out of your paycheck before federal income tax, Social Security tax, and Medicare tax are calculated. This tax savings is the main financial benefit of an FSA, but it only works if you actually use the money for covered expenses.
What expenses are covered
FSAs come in two main types: medical FSAs and dependent care FSAs. Medical FSAs cover out-of-pocket health expenses not paid by your insurance — copays, deductibles, prescriptions, dental work, vision care, hearing aids, and certain medical equipment. The IRS publishes a detailed list of covered expenses, and your plan documents spell out what your specific employer's plan covers.
Dependent care FSAs cover childcare or adult dependent care expenses that allow you to work — daycare, preschool, after-school programs, summer camps, and in-home care for a child or elderly parent. They do not cover education (like K–12 tuition) or overnight camps.
You cannot use FSA money for health insurance premiums, over-the-counter medications (unless prescribed by a doctor), cosmetic procedures, or gym memberships. If you submit a claim for an ineligible expense, the plan administrator will deny it and you lose access to that money.
How to use the money and submit claims
Most FSAs issue a debit card linked to the account. When you swipe it at a pharmacy, doctor's office, or daycare provider, the payment comes directly from your FSA balance. Some providers — especially medical offices — can verify FSA may be able to access on the spot, so the transaction goes through without delay.
If you do not have a debit card, or if a provider does not accept it, you pay out of pocket and then submit a claim form to your plan administrator with a receipt or explanation of benefits (EOB) from your insurance. The administrator reviews the claim to confirm it is a covered expense, and if approved, reimburses you. This process usually takes one to two weeks.
Keep all receipts and documentation. Your plan administrator may ask for proof that an expense was actually incurred and is covered under the plan. If you cannot provide it, the claim is denied and you do not get the money back.
The use-it-or-lose-it rule and carryover options
At the end of each plan year, any money left in your FSA is forfeited. You do not get it back, and it does not roll over to the next year. This is a hard rule set by the IRS, and it applies to nearly all FSAs.
However, some employers offer one of two exceptions. A grace period allows you to spend down your FSA balance through March 15 of the following year (or up to 2.5 months after the plan year ends, depending on the plan). A carryover lets you roll up to $610 of your 2024 balance into 2025 (the carryover limit changes yearly). Your employer chooses whether to offer either option, and not all do.
Because of this rule, many people contribute conservatively to their FSA — only the amount they are confident they will spend. If you overestimate your expenses and do not use the full balance, you lose money. If you underestimate, you miss out on the tax savings.
FSAs versus HSAs and other account types
A Health Savings Account (HSA) is different from an FSA in one crucial way: unused money rolls over year to year and never expires. You can let it grow indefinitely, making an HSA better for long-term savings. However, HSAs are only available if you are enrolled in a high-deductible health plan (HDHP), and not all employers offer them. The contribution limits are also lower than FSAs.
A Dependent Care FSA is separate from a medical FSA. You can have both if your employer offers both, but the money in each account is locked to its category. You cannot use dependent care FSA money for medical expenses or vice versa.
Some employers also offer Limited-Purpose FSAs or Commuter FSAs for transit and parking expenses. These follow the same use-it-or-lose-it rule as medical FSAs.
Who can open a FIA account and how to enroll
You can only open an FSA if your employer sponsors one. Self-employed people, gig workers, and employees whose companies do not offer FSAs cannot open one. If your employer does offer it, enrollment happens during the annual open enrollment period, usually in October or November for coverage starting January 1.
Your employer sends enrollment materials — often through an online benefits portal — with plan details, contribution limits, and covered expenses. You choose your contribution amount and submit your election. Once the plan year starts, the money is deducted from each paycheck and held in the account.
If you are newly hired and miss open enrollment, you may be able to enroll during a special enrollment period, but this depends on your employer's plan rules. Ask your HR or benefits department about timing and deadlines.
What happens if you leave your job
When you leave your employer, your FSA coverage ends on your last day of employment. Any remaining balance in the account is forfeited — you cannot take it with you or transfer it to a new employer's FSA. This is true even if you have unused money sitting in the account.
However, you may be able to continue coverage under COBRA (Consolidated Omnibus Budget Reconciliation Act) if your employer has 20 or more employees. COBRA lets you keep your FSA for a limited time (usually through the end of the plan year), but you pay the full premium yourself, including the employer's share. Most people do not choose COBRA for FSAs because the cost is high and the benefit is temporary.
If you move to a new job with an FSA, you can enroll in the new employer's plan during open enrollment or a special enrollment period. You start fresh with a new contribution amount and a new plan year.
Frequently Asked Questions
Can I use my FSA debit card at any store?
No. The debit card only works at pharmacies, medical offices, dental offices, vision providers, and other merchants that accept FSA payments. It will be declined at grocery stores, gas stations, or general retailers, even if you are buying something health-related like bandages or pain relievers.
What happens if I submit a claim for an expense that is not covered?
The plan administrator will deny the claim, and you will not be reimbursed. You lose access to that money. This is why it is important to check your plan documents or call your benefits administrator before submitting a claim for an unusual expense.
Can I change my FSA contribution if my childcare costs go up mid-year?
Only if you have a may have access to life event — a change in your child's care provider, a significant increase in costs due to a change in your work schedule, or loss of other dependent care support. A routine price increase from your daycare usually does not may have access to. Contact your benefits administrator to ask whether your situation meets the threshold.
Is there a penalty if I do not spend all my FSA money?
No penalty, but you lose the money. It is forfeited at the end of the plan year unless your employer offers a grace period or carryover. There is no tax consequence — you simply do not get reimbursed for expenses you did not incur.
Can I open an FSA if I am self-employed?
No. FSAs are employer-sponsored plans only. Self-employed people and business owners can open an HSA if they have a high-deductible health plan, or they can set aside money in a regular savings account, but they cannot open an FSA.