Learn About FSA Tax Savings Opportunities

Understanding Flexible Spending Accounts and How They Work

A Flexible Spending Account, commonly called an FSA, is a workplace benefit that lets employees set aside pre-tax money to pay for certain out-of-pocket medical and dependent care expenses. The money you contribute to an FSA comes directly from your paycheck before taxes are taken out, which reduces the amount of income subject to federal, state, and Social Security taxes.

FSAs are offered through employers as part of their benefits package. Unlike a traditional health insurance plan that covers major medical expenses, an FSA is a separate account designed to help you manage smaller, everyday healthcare costs that you know you'll have throughout the year. The account works on a use-it-or-lose-it basis, meaning you need to plan carefully how much money to contribute because unused funds generally cannot be carried over to the next year.

There are two main types of FSAs: a Medical FSA (also called a Healthcare FSA) and a Dependent Care FSA. A Medical FSA helps pay for qualified medical expenses not covered by your insurance, such as copayments, deductibles, prescriptions, and certain medical equipment. A Dependent Care FSA assists with costs for childcare or adult dependent care that allows you to work.

The tax savings work like this: if you earn $50,000 per year and contribute $2,500 to a Medical FSA, you only pay taxes on $47,500 of income. Combined federal, state, and Social Security tax rates typically range from 20% to 40% depending on your location and tax bracket. This means you could save $500 to $1,000 annually just on that $2,500 contribution through reduced taxes.

Practical Takeaway: Before deciding whether an FSA makes sense for you, think about your regular medical and dependent care expenses over the next 12 months. Write down prescription refills you'll need, anticipated doctor visits, dental work, vision care, and childcare costs. This list helps you decide whether contributing to an FSA would actually save you money.

Medical FSA Eligible Expenses and How to Track Them

A Medical FSA can be used to pay for a wide range of healthcare costs that your health insurance doesn't cover or that you need to pay out-of-pocket. The IRS maintains an official list of qualified medical expenses, and understanding what qualifies is essential for properly using your FSA funds.

Common Medical FSA eligible expenses include copayments and coinsurance amounts you owe to doctors and hospitals, deductibles for your health insurance plan, prescription medications (including insulin and other chronic condition medicines), over-the-counter medications like pain relievers and allergy medicine, and medical equipment such as glucose monitors, hearing aids, and wheelchairs. You can also use FSA funds for dental work like fillings and orthodontia, vision care including eye exams and glasses, mental health treatment and therapy, and certain preventive care services.

Some expenses that people often think are covered but actually are not include general wellness items like vitamins and supplements (unless prescribed by a doctor for a specific condition), cosmetic procedures and treatments, gym memberships and fitness equipment, toothpaste and other toiletries, and over-the-counter sunscreen. Additionally, health insurance premiums themselves, long-term care insurance, and veterinary care are not covered, though there are limited exceptions for specific situations.

To track your FSA expenses properly, you'll need to keep receipts and documentation showing what you spent and that the expense was for a qualified medical service. Most FSA plans provide a debit card that you can use directly at pharmacies, doctor offices, and hospitals, which creates an automatic record. However, the plan administrator may still ask you to provide receipts as proof of the expense, particularly if you use the reimbursement method instead of the debit card. Creating a simple spreadsheet or folder on your phone to store receipts and track expenses throughout the year makes tax time and reimbursement requests much easier.

Practical Takeaway: Make a list of medical expenses you typically pay for annually. Include prescriptions you refill regularly, how many times you visit the doctor per year, dental cleanings and any planned procedures, and vision care. Use this realistic picture to decide how much to contribute to your Medical FSA without over-contributing and losing money.

Dependent Care FSA and Childcare Cost Savings

The Dependent Care FSA is designed specifically to help working parents and guardians manage the cost of childcare or adult dependent care. Unlike a Medical FSA, a Dependent Care FSA has different rules about how much you can contribute and what expenses qualify.

For 2024, individuals can contribute up to $5,000 per year to a Dependent Care FSA, and married couples filing jointly can also contribute up to $5,000 total (not $5,000 each). This money can be used to pay for daycare for children under age 13, after-school care programs, summer day camps, babysitting services, and care for disabled dependents or aging parents, as long as the care allows you to work or attend school.

Dependent Care FSA money cannot be used for overnight camps, tuition for regular school or preschool (though pre-K programs may qualify if the primary purpose is childcare while you work), or care provided by a spouse or dependent. One important rule to understand is that your spouse must also be working or in school for you to use Dependent Care FSA funds for their care.

Consider this example: A parent earning $60,000 annually spends $8,000 per year on daycare. They contribute $5,000 to a Dependent Care FSA (the annual maximum). Their taxable income drops to $55,000. At a combined tax rate of 25%, they save $1,250 in taxes. Additionally, this $5,000 in childcare expenses is paid with pre-tax money, so they're effectively getting 25% off the cost of childcare. They still pay $3,000 in after-tax dollars for the remaining childcare costs, but the savings add up significantly over time.

Practical Takeaway: If you pay for regular childcare or adult dependent care to enable you to work, calculate your annual childcare costs. Compare that number to the $5,000 annual limit for Dependent Care FSA contributions to understand what portion of your expenses could benefit from tax-free treatment.

Calculating Your Potential FSA Tax Savings

Understanding how much money you could actually save with an FSA requires doing some basic math. The savings come from avoiding taxes on the money you contribute, not from any discount on the actual medical or childcare services.

Your tax savings depend on two factors: how much you contribute to the FSA and your combined tax rate. Your combined tax rate includes federal income tax (which ranges from 10% to 37% depending on your income bracket), Social Security tax (6.2%), Medicare tax (1.45%), and any state or local income taxes in your area. For most middle-income earners, the combined rate falls between 20% and 35%.

Here's how to calculate your potential savings: First, estimate your total qualified expenses for the year. For a Medical FSA, add up copayments, prescription costs, deductibles, and other medical expenses you expect to pay. For a Dependent Care FSA, total your annual childcare or dependent care costs. Second, decide what portion of those expenses you'll contribute to your FSA (keeping in mind the $3,200 limit for Medical FSA in 2024 and $5,000 for Dependent Care FSA). Third, multiply your intended contribution by your estimated combined tax rate.

Example calculation: You estimate $3,000 in out-of-pocket medical expenses next year. You live in a state with 5% income tax, you're in the 22% federal tax bracket, and you pay 7.65% in Social Security and Medicare taxes. Your combined rate is approximately 34.65%. If you contribute $3,000 to a Medical FSA, your tax savings would be $3,000 × 0.3465 = approximately $1,039 in taxes you won't pay. You can use an online FSA calculator or work through this math with your paycheck stub information to get a personalized estimate.

Practical Takeaway: Before your employer's open enrollment period, gather pay stubs from the past year to find your tax rate information. Then estimate your medical or childcare expenses.