When most folks hear “HSA” or Health Savings Account, they immediately think of a debit card sitting in a wallet, waiting to pay for a doctor’s co-pay or pick up a prescription at the local pharmacy. And that’s fair! That is what they were designed for on the surface. But if you take a step back and look at how tax rules are structured, an HSA can actually be one of the most versatile tools available for folks who qualify.
Now, a few disclaimers right out of the gate: not everyone is eligible to contribute. To open and add funds to an HSA, you generally need to be enrolled in a qualified High Deductible Health Plan (HDHP) and meet standard IRS criteria. (Keep in mind, while you cannot make new contributions once you are enrolled in Medicare, you can still use existing HSA funds tax-free for qualified expenses.)
If you do qualify, an HSA can play a meaningful role in helping address healthcare costs today while working toward your long-term retirement goals. Just be mindful of the rules: withdrawing funds for non-qualified expenses prior to age 65 triggers a 20% penalty plus ordinary income tax on the earnings.
The Power of the Triple-Tax Advantage
What makes an HSA stand apart from standard savings options is its tax treatment at the federal level. Most accounts give you a break either on the front end when you put money in, or on the back end when you take it out. An HSA has the potential to offer tax advantages at every step along the way when used as intended:
- Contributions may be tax-deductible: Putting money in can help lower your taxable income for the year, depending on how you contribute and your individual tax situation.
- Growth is federally tax-deferred: Any interest, dividends, or potential investment gains inside the account aren’t taxed while they stay in the account.
- Withdrawals can be federally tax-free: Money taken out to pay for qualified medical expenses is generally free from federal income tax. (A quick heads-up: tax rules can vary by state! While most states mirror federal guidelines, a couple of states handle HSA growth and contributions differently, so it’s always a good idea to double-check with your tax professional.)
Unlike a Flexible Spending Account (FSA)—where you’re racing against a “use-it-or-lose-it” clock at the end of the year—HSA funds automatically roll over year after year. The account is yours. Even if you switch jobs or retire, those funds stay right where they are, giving them time to stay invested.
Beyond the Doctor’s Office
Most of us know an HSA covers everyday things like prescriptions, dental checkups, and new glasses. But what surprises a lot of people is just how broad the IRS definition of “qualified medical expenses” really is.
Depending on your situation, your HSA can often cover:
- Sunscreen (SPF 15+ that meets IRS rules)
- Prescription sunglasses
- Hearing aids and replacement batteries
- Travel for medical care (including mileage, parking, and tolls)
- First-aid supplies or CPR training in certain situations
- Medical equipment prescribed by your doctor
The IRS list is extensive, and eligibility can shift. When in doubt, it’s always a good idea to check current IRS guidance or chat with your CPA before buying.
When a “Letter of Medical Necessity” Comes into Play
There are times when a healthcare expense falls into that gray area between everyday wellness and medical treatment.
If your physician determines that a specific item or service is necessary to treat a diagnosed medical condition, they can provide a Letter of Medical Necessity (LMN). With that proper paperwork, certain expenses that wouldn’t normally qualify might be eligible for tax-free reimbursement.
Depending on your situation and current IRS rules, some examples might include:
- Massage therapy prescribed for a specific medical condition
- Acupuncture treatments
- Specialized orthopedic mattresses or bedding prescribed for a diagnosed back issue
- Specialized education services (such as tuition for a school tailored for children with qualifying learning disabilities, or specialized tutoring recommended by a doctor)
A Quick Note on Childcare: We get asked about this one a lot. Daycare, babysitting, or preschool expenses generally do not qualify as HSA expenses, even if it’s to free you up for a doctor’s appointment. Those are handled separately under a Dependent Care FSA if your employer offers one.
A Practical Habit: Get in the habit of saving your receipts and medical notes in a digital folder. Whether you reimburse yourself right away or years later, good recordkeeping makes tax season painless and keeps you covered if the IRS ever comes knocking with questions.
Thinking Beyond Today’s Medical Bills
Here is where the long-term planning aspect comes in.
If you are in a position where you can pay for everyday bumps, bruises, and prescriptions out of pocket during your working years, you might choose to leave your HSA dollars untouched and invested. Over time, those dollars have the potential to grow tax-deferred, building a dedicated nest egg for healthcare costs in retirement. Doing this will allow you to maximize the tax benefits afforded to HSA’s.
And here’s a neat detail: the IRS currently sets no deadline on when you have to reimburse yourself for a qualified medical bill. As long as the expense happened after you established the HSA and you kept the receipt, you could pay a bill out of pocket today, let your account grow for a decade, and reimburse yourself tax-free years down the road when you want extra cash flow.
It’s not the right move for everyone, but it shows just how flexible these accounts can be within a complete financial plan.
What Happens After Age 65?
Healthcare is routinely one of the largest expenses folks face in retirement. Having dedicated, tax-advantaged money set aside specifically for medical costs offers huge flexibility.
Once you reach age 65, your HSA gives you two big advantages:
- Tax-Free Healthcare Spending: You can continue pulling money out tax-free for medical needs, including Medicare Part B and Part D premiums, Medicare Advantage premiums, deductibles, copays, and even qualified long-term care insurance premiums (up to IRS limits). Note: Medigap/Medicare Supplement premiums are one of the few exceptions that cannot be paid tax-free from an HSA.
- Added Flexibility: The 20% penalty for non-qualified withdrawals goes away at age 65. If you ever need to take money out for non-medical reasons, it’s simply taxed as ordinary income—just like taking a distribution from a Traditional IRA or 401(k).
What Happens When You Die? Don’t Forget Beneficiaries.
Just like your IRA or 401(k), an HSA allows you to name a beneficiary, and keeping this updated is a key piece of estate planning.
- If your spouse is named: It’s a smooth transition. They step in as the account owner, and it continues on as their HSA, preserving all those tax advantages.
- If a non-spouse (like a child) is named: The account ceases to be an HSA upon passing, and the fair market value of the account becomes taxable income to that beneficiary in that tax year.
Planning Tip: If qualified medical bills incurred before passing are paid within one year of death, those expenses can help reduce the taxable amount for the beneficiary. Because these rules get technical, it’s always wise for heirs to consult a tax professional.
Wrapping It Up
At the end of the day, a Health Savings Account isn’t just a convenient debit card for the pharmacy counter. For those who qualify, it’s a powerful, flexible tool that can help manage health costs today while building a tax-smart layer into your overall retirement journey.
If you ever have questions about how an HSA interacts with your broader retirement plan, give us a call. We’re always here to help you make sense of the pieces!
Sources:
IRS Resources (Primary)
IRS Publication 969 – Health Savings Accounts and Other Tax-Favored Health Plans
IRS Publication 502 – Medical and Dental Expenses
Additional References
Fidelity Investments – HSA- and FSA-Eligible Expenses
HealthEquity – Qualified Medical Expense Search Tool
Cigna – Eligible HSA/FSA Expenses
Voya – HSA Eligible Expenses Guide
