HSA IRS Rules: The Complete Guide to Health Savings Accounts (2026)

A Health Savings Account (HSA) is a powerful tax-advantaged account that helps eligible individuals save for healthcare expenses while reducing taxable income. Governed by IRS rules, an HSA allows contributions, investment growth, and withdrawals for qualified medical expenses to remain tax-free. With proper planning, an HSA can meet short-term healthcare needs and serve as a long-term retirement healthcare strategy.

What Is a Health Savings Account (HSA)?

An HSA is a personal savings account linked to a High-Deductible Health Plan (HDHP). It offers a triple tax advantage:

Contributions are tax-deductible or made pre-tax via payroll.
Earnings grow tax-free.
Withdrawals for qualified medical expenses are tax-free.

HSA Quick Reference Table (2026)

Feature	Individual Coverage	Family Coverage	Notes / Tax Benefits
Minimum HDHP Deductible	$1,600	$3,200	Must be enrolled in an HDHP
Maximum HDHP Out-of-Pocket	$8,050	$16,100	Includes deductibles, copays, coinsurance
HSA Contribution Limit	$4,150	$8,300	Combined employee + employer contributions
Catch-up Contribution (Age 55+)	$1,000	$1,000	Additional personal contributions allowed
Tax Treatment of Contributions	Tax-deductible / pre-tax	Tax-deductible / pre-tax	Reduces taxable income
Earnings / Growth	Tax-free	Tax-free	Interest and investment growth are not taxed
Qualified Withdrawals	Tax-free	Tax-free	For IRS-approved medical expenses
Non-Qualified Withdrawals	Taxable + 20% penalty (under 65)	Taxable + 20% penalty (under 65)	Penalty-free after age 65 (taxes still apply)
Portability	Fully portable	Fully portable	Account stays with you if you change jobs
Rollover	Yes, unlimited	Yes, unlimited	No “use-it-or-lose-it” rule
Investment Options	Available after minimum balance	Available after minimum balance	Varies by HSA provider

IRS Eligibility Requirements for an HSA

To contribute to an HSA, you must meet all IRS eligibility criteria:

Be enrolled in a High-Deductible Health Plan (HDHP)
Have no other disqualifying health coverage
Not be enrolled in Medicare
Not be claimed as a dependent on another person’s tax return

Disqualifying Coverage

Traditional health plans
General-purpose FSAs
Certain HRAs

Limited-purpose FSAs (vision/dental only) are allowed alongside an HSA.

HSA vs. FSA: Key Differences

Feature	HSA	FSA
Ownership	Individual	Employer
Rollover	Unlimited	Usually none
Portability	Yes	No
Investment Option	Yes	No
Use-It-or-Lose-It	No	Yes
HDHP Required	Yes	No

Which is better?

HSA: Best for long-term healthcare savings and tax planning.
FSA: Better for predictable, short-term medical expenses.

Pros and Cons of an HSA

Advantages:

Triple tax benefit
Funds roll over indefinitely
Portable across employers
Can supplement retirement healthcare costs
Investment growth potential

Disadvantages:

Requires HDHP coverage
Higher upfront medical costs
Penalties for non-qualified withdrawals
Recordkeeping responsibilities

IRS Rules on Using HSA Funds

Qualified Medical Expenses

Doctor visits
Prescription medications
Dental and vision care
Mental health services
Medical equipment and supplies

Non-Qualified Expenses

Subject to income tax
20% penalty applies if under age 65
After 65, penalties are waived; taxes still apply

Recordkeeping

Keep receipts and Explanation of Benefits (EOBs) for IRS verification.

IRS Rules on Using HSA Funds

Qualified Medical Expenses

Doctor visits
Prescription medications
Dental and vision care
Mental health services
Medical equipment and supplies

Common IRS Penalties and Mistakes

Mistakes that trigger penalties:

Contributing while ineligible
Exceeding annual contribution limits
Using funds for non-qualified expenses
Failing to stop contributions after Medicare enrollment

Correction Methods:

Withdraw excess contributions before tax deadlines
File amended tax forms if necessary
Maintain proper documentation