FSA (Flexible Spending Account)

Quick Definition

A Flexible Spending Account (FSA) is an employer-sponsored benefit that allows you to set aside a portion of your pre-tax salary to pay for qualified medical expenses or dependent care costs. Contributions reduce your taxable income immediately, but unlike an HSA, FSA funds operate under a "use-it-or-lose-it" rule. Unspent balances are forfeited at the end of the plan year (with limited rollover or grace period options).

What It Means

FSAs provide a tax discount on predictable, recurring medical or dependent care expenses. Every dollar you put into an FSA saves you federal income tax, state income tax (in most states), and FICA taxes (7.65%). That is an immediate 22% to 37%+ savings depending on your tax bracket. The catch: you must spend the money within the plan year or lose it.

FSAs are available through employers only. Self-employed individuals cannot contribute to a healthcare FSA (they can use an HSA instead if enrolled in an HDHP).

2026 Contribution Limits: What Changed

The IRS Revenue Procedure 2025-32 updated the FSA limits for 2026. The One Big Beautiful Bill Act (OBBBA) also raised the dependent care FSA limit for the first time since 1986.

The dependent care FSA increase to $7,500 is the first permanent change since the limit was set at $5,000 in 1986. However, employers are not required to adopt the higher amount. Many plans still cap at $5,000. Confirm your 2026 election cap with HR before your open enrollment deadline.

Types of FSAs

The FSA Tax Savings

For the dependent care FSA at the new $7,500 limit, a household in the 22% federal bracket saves roughly $1,650 in federal income tax plus about $574 in FICA, for a combined tax savings of over $2,200. The after-tax cost of $7,500 in childcare effectively drops to around $5,300.

Practical example: A $30 doctor copay paid from an FSA effectively costs $22 to $24 after the tax savings.

The "Use It or Lose It" Rule

The fundamental FSA limitation: funds must be used within the plan year or they are forfeited back to the employer. The IRS allows two optional relief provisions employers may (but are not required to) offer:

Critical: Your employer chooses which option to offer. You cannot elect this yourself. Most large employers offer one of the relief options. Check your benefits documentation.

FSA vs. HSA: The Key Comparison

The front-loading advantage: Unlike HSAs (where you can only spend what you have contributed), FSAs allow you to spend your full annual election on day one of the plan year, even before contributing all of it. This is useful for planned early-year expenses.

What FSA Funds Can Pay For

Healthcare FSA qualified expenses:

Dependent Care FSA qualified expenses:

The Dependent Care FSA and the Child Care Credit

The $7,500 dependent care FSA limit changes how families should coordinate with the Child and Dependent Care Tax Credit on Form 2441. FSA contributions reduce eligible expenses for the credit dollar for dollar.

Two qualifying children: If you pay $15,000 in care costs and contribute $7,500 to an FSA, your remaining eligible expenses are $7,500. The credit expense cap of $6,000 still applies, so you can run $6,000 of expenses through the credit calculation. Both benefits work together.

One qualifying child: The credit expense cap is $3,000. A $7,500 FSA contribution reduces your eligible credit expenses to zero. For one-child families, the FSA and the credit generally do not stack. If your employer limits the FSA to $5,000, you may still have up to $3,000 in remaining expenses for the credit.

For high earners, the FSA wins almost every time because it saves both income and FICA taxes while the credit only reduces income tax. For lower earners where the credit percentage is higher, a partial FSA plus credit may be better.

FSA Timing Strategy

Healthcare FSA: The front-loading feature creates an interest-free loan from your employer:

• You elect $3,400 for the year
• On January 2, you need $3,400 of dental work
• You spend the full $3,400 from your FSA immediately
• If you leave the job in February, having only contributed $567, you do not owe the difference back

Dependent Care FSA: Unlike healthcare FSA, dependent care FSA only allows spending funds already contributed. No front-loading.

FSA Debit Cards

Most employers provide an FSA debit card:

• Linked directly to your FSA balance
• Used at eligible merchants (pharmacies, doctor offices, dental offices)
• Sometimes requires receipts/verification for non-obviously-medical merchants
• Convenience eliminates need to pay out-of-pocket and submit reimbursement

Key Points to Remember

• FSAs reduce taxable income through pre-tax contributions, saving 25% to 40%+ in combined taxes
• The 2026 healthcare FSA limit is $3,400 with a $680 maximum carryover
• The 2026 dependent care FSA limit jumped to $7,500 (up from $5,000), the first increase since 1986
• Employers are not required to adopt the $7,500 dependent care limit. Check with HR.
• Unlike HSAs, FSAs are employer-dependent. They are lost when you change jobs.
• Healthcare FSA can be used from day one of the plan year for the full annual election
• Cannot contribute to both a healthcare FSA and HSA simultaneously. Use a Limited Purpose FSA (dental/vision only) if you have an HSA.

Common Mistakes to Avoid

• Overestimating healthcare expenses and losing funds: If you elect $3,400 but only spend $2,500, you lose $900 (or up to $680 if your employer offers rollover). Contribute only for known recurring expenses: two dental cleanings, one vision exam, regular prescriptions. Use our budget calculator to estimate your annual healthcare costs.
• Not using the dependent care FSA at the new $7,500 limit: If your employer adopted the higher limit and you pay more than $5,000 in childcare, you are leaving tax savings on the table. A $7,500 election in the 22% bracket saves over $2,200 in taxes.
• Forgetting that FSA funds are lost when you change jobs: Unlike an HSA, which is portable, FSA balances are forfeited when you leave your employer (unless you elect COBRA continuation). If you are considering a job change, time your elective medical procedures before your departure date.
• Contributing to a healthcare FSA while also having an HSA: You cannot contribute to both a general healthcare FSA and an HSA in the same year. Use a Limited Purpose FSA (dental and vision only) alongside your HSA to stay compliant.
• Not coordinating the dependent care FSA with the Child Care Credit: FSA contributions reduce eligible expenses for the Child and Dependent Care Tax Credit dollar for dollar. For one-child families, maxing the FSA at $7,500 eliminates all credit eligibility. Model both scenarios before enrollment.

Frequently Asked Questions

Q: What happens to my FSA when I leave my job? A: Your FSA balance is forfeited when you leave your employer at the end of your coverage date, unless you elect COBRA continuation for the FSA. COBRA allows you to continue FSA participation and spend down remaining funds, but you must pay the full monthly contribution yourself plus a 2% administrative fee, often making it expensive for small remaining balances.

Q: Can I change my FSA contribution mid-year? A: Generally no. FSA elections are locked in for the plan year unless you experience a qualifying life event (marriage, divorce, birth/adoption of a child, change in employment, change in dependent eligibility). The IRS requires consistency between elections and life circumstances.

Q: Should I contribute to an FSA if I'm healthy and rarely use healthcare? A: It depends on whether you can predict your expenses. Even healthy people have dental cleanings, vision exams, and occasional prescriptions. These are predictable and FSA-eligible. Contribute an amount you are confident you will spend. For truly unpredictable needs above that base level, the risk of forfeiture increases. A conservative strategy: contribute only for known recurring expenses and not for speculative healthcare needs.

Q: Did the dependent care FSA limit change in 2026? A: Yes. The OBBBA raised the dependent care FSA limit from $5,000 to $7,500 for 2026, the first permanent increase since 1986. However, employers must formally amend their plan documents to adopt the higher limit. Many plans still cap at $5,000. Confirm your 2026 election cap with HR before open enrollment.