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Modern HSA built for self-directed investors. No-fee individual plan and Schwab brokerage integration.
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The complete guide for 2026
What Is a Health Savings Account (HSA)?
A Health Savings Account (HSA) is a personally owned, tax-advantaged account that lets you pay for qualified medical expenses with pre-tax dollars and invest the rest tax-free for retirement. You must be enrolled in a High Deductible Health Plan (HDHP) to contribute. For 2026, the IRS caps annual contributions at $4,400 (self-only) or $8,750 (family), plus a $1,000 catch-up if you are 55 or older - the rates set in IRS Revenue Procedure 2025-19. Funds roll over forever, stay with you between jobs, and are never taxed when spent on qualified medical care.
The sections below cover how the account works step by step, who qualifies, the 2026 contribution and HDHP limits, and where to open one.
A Health Savings Account (HSA) is a tax-advantaged savings account available to individuals enrolled in a High Deductible Health Plan (HDHP). Contributions are tax-deductible, growth is tax-free, and withdrawals for qualified medical expenses are tax-free.
How HSAs Work
Five steps from enrollment to tax-free spending (or investing).
1
Enroll in an HDHP
A High Deductible Health Plan is required. These plans have lower premiums and higher deductibles than traditional health insurance.
2
Open an HSA
Open an account through your employer or independently with a provider like Fidelity, Lively, or HealthEquity.
3
Contribute pre-tax dollars (up to $4,400/$8,750 in 2026)
Contributions reduce your taxable income. If made through payroll, they also skip FICA taxes.
4
Use funds for qualified medical expenses - tax-free
Doctor visits, prescriptions, dental, vision, and hundreds more. No taxes on withdrawals for eligible expenses.
5
Or invest and let it grow - also tax-free
Once your balance crosses a threshold (usually $1,000–$2,000), you can invest in stocks, bonds, and index funds. All growth is tax-free.
Who Is Eligible for an HSA?
You must meet all four requirements to contribute to an HSA.
Enrolled in a High Deductible Health Plan (HDHP)
Minimum deductible of $1,700 (self-only) or $3,400 (family) in 2026 (Rev. Proc. 2025-19).
Not enrolled in Medicare
Once you enroll in any part of Medicare, you can no longer contribute (but you can still spend existing funds). See IRS Publication 969, "Who Can Have an HSA."
Not claimed as a dependent on someone else's tax return
No other non-HDHP health coverage
Exceptions: dental, vision, and limited-purpose FSAs are allowed alongside an HSA per Pub 969.
2026 HSA Contribution Limits
The IRS adjusts HSA limits annually for inflation. The 2026 figures below come from Revenue Procedure 2025-19.
| Coverage Type | 2026 Limit |
|---|---|
| Self-only | $4,400 |
| Family | $8,750 |
| Catch-up contribution (age 55+) | +$1,000 |
These limits include both employer and employee contributions. View full 2026 limits and HDHP thresholds → or see the complete history of HSA limits since 2004 →
HSA Tax Benefits
The HSA is the only account in the U.S. tax code with a triple tax advantage.
Tax-Deductible
Contributions reduce your taxable income dollar for dollar.
Tax-Free Growth
Investments grow without capital gains or dividend taxes.
Tax-Free Withdrawals
Pay for qualified medical expenses with zero taxes.
What Can You Use HSA Funds For?
HSA funds cover the qualified medical expenses defined in IRS Publication 502. The list runs to hundreds of categories - doctor visits, prescriptions, dental and vision care, mental health services, lab tests, and more.
Doctor visits and copays
Prescriptions and medications
Dental care and orthodontia
Vision exams, glasses, contacts
Mental health and therapy
Lab tests and imaging
How to Open an HSA
Three steps to get started.
1
Check if your health plan qualifies as an HDHP
Look at your plan details or ask HR. The deductible must be at least $1,700 (self) or $3,400 (family) for 2026.
2
Choose an HSA provider
Your employer may offer one, or you can open an account independently. Look for low fees and good investment options.
Compare the best HSA providers →3
Start contributing
Set up payroll deductions (for extra FICA savings) or make direct contributions. You have until the tax filing deadline to contribute for the prior year.
Interactive
See what your HSA could become
Drag the sliders to project your own savings. Same dollar input, three different account choices.
HSA + invested
$444,721
After 30 years at 7% returns
HSA cash only
$132,000
Same contributions, never invested
FSA tax savings
$31,680
Cumulative federal tax saved
$4,400
$500$8,750 (2026 HSA family max)
30 years
1 yr40 yrs
Advanced assumptions
24%
10%37% (top bracket)
7% / yr
0% (cash)12% (aggressive)
S&P 500 long-term historical average is roughly 10% nominal / 7% real (inflation-adjusted). 7% is the default most retirement calculators use. Past returns do not guarantee future results.
What this means
If you put $4,400 into an HSA each year for 30 years and invest it at 7%, you end with $444,721 - all tax-free if you spend it on medical bills. The same money in an FSA gives you only $31,680 in cumulative tax savings (no compounding because the balance resets every year). The HSA earns you $413,041 more.
Open Your HSA
If you have an HDHP and you're ready to open an HSA, these are the two providers most cited by long-term investors. Both have no-fee individual plans and full investment menus - the two factors that decide whether your HSA outperforms a regular savings account over 20+ years.
Fidelity HSA
Zero account minimums, no fees, and Fidelity's full investing universe.
- No account fees or minimums
- Same investment menu as a Fidelity brokerage account
- Integrated with Fidelity 401(k) and IRA accounts
- Free debit card and bill pay
HSA vs Other Accounts
How the HSA compares to similar tax-advantaged accounts.
HSA vs FSA
FSA funds expire yearly. HSA funds roll over forever. See the full comparison.
CompareHSA vs Roth IRA
Both offer tax-free growth. But only the HSA gives you a deduction on contributions and tax-free withdrawals for medical expenses.
See full tax comparisonHSA vs HRA
HRAs are employer-funded and employer-owned. HSAs are yours to keep regardless of employment.
Learn moreHSA vs 401(k)
Both are tax-deductible, but the HSA adds tax-free withdrawals for medical expenses. The optimal strategy uses both.
See comparison tableFrequently Asked Questions
What does HSA stand for?▼
HSA stands for Health Savings Account. It's a tax-advantaged savings account created by the Medicare Prescription Drug, Improvement, and Modernization Act of 2003.
Is an HSA a savings account or insurance?▼
An HSA is a savings account, not insurance. It works alongside your High Deductible Health Plan (HDHP) to help you save and pay for medical expenses with pre-tax dollars. Your HDHP is the insurance; the HSA is where you save money for expenses your insurance doesn't cover.
Do HSA funds expire?▼
No. Unlike a Flexible Spending Account (FSA), HSA funds roll over indefinitely. There is no "use it or lose it" rule. Money in your HSA is yours forever, even if you change jobs, switch health plans, or retire.
Can anyone open an HSA?▼
No. You must be enrolled in a qualifying High Deductible Health Plan (HDHP), cannot be enrolled in Medicare, cannot be claimed as a dependent on someone else's tax return, and cannot have other non-HDHP health coverage (with exceptions for dental, vision, and limited-purpose FSAs).
Is an HSA worth it?▼
For most people with an HDHP, yes. The triple tax advantage (tax-deductible contributions, tax-free growth, and tax-free withdrawals for medical expenses) makes it one of the most powerful savings vehicles in the U.S. tax code. The longer you let it grow, the more valuable it becomes.
What happens to my HSA when I turn 65?▼
At 65, your HSA becomes even more flexible. You can still withdraw funds tax-free for qualified medical expenses. For non-medical expenses, withdrawals are taxed as ordinary income (like a traditional IRA) but no longer incur the 20% penalty. Many people use their HSA as a supplemental retirement account.
Sources
- IRS Publication 969 - Health Savings Accounts and Other Tax-Favored Health Plans (eligibility, contributions, distributions, the last-month rule, Medicare interaction).
- IRS Publication 502 - Medical and Dental Expenses (the definitive list of qualified medical expenses).
- Revenue Procedure 2025-19 - 2026 HSA contribution limits and HDHP minimum deductibles + out-of-pocket maximums.
- IRS Form 8889 - Health Savings Accounts (the form you file with your 1040 to report HSA contributions and distributions).
- IRS Form 5329 - Additional Taxes on Qualified Plans (the 6% excise tax on excess HSA contributions).
More HSA Resources
Best HSA Providers 2026
Side-by-side reviews of the providers long-term investors actually use
FSA vs HSA
Side-by-side comparison of tax-advantaged health accounts
HRA vs HSA
Compare employer-funded HRAs to personally-owned HSAs
HSA Contribution Limits (2004-2026)
Complete history of IRS contribution limits with yearly changes
HSA-Eligible Expenses
Browse the full list of qualified medical expenses
Why Open an HSA?
Triple tax advantage, investment growth, and the shoebox strategy