HSA Contribution & Withdrawal Rules

Health Savings Accounts (HSAs) — authorized under 26 U.S.C. § 223 — offer one of the strongest tax combinations in federal law: deductible or pre-tax contributions, tax-free growth, and tax-free withdrawals for qualified medical expenses. For 2026, the contribution limits are $4,400 for self-only coverage and $8,750 for family coverage, plus a $1,000 catch-up for eligible people age 55 or older. To contribute, you generally must be covered by an HDHP with a 2026 minimum deductible of $1,700 (self-only) or $3,400 (family) and maximum out-of-pocket limits of $8,500 (self-only) or $17,000 (family). HSA balances roll over indefinitely, can usually be invested, and after age 65 can be used penalty-free for nonmedical purposes, though those nonqualified withdrawals are taxable. That makes HSAs both a current-year medical account and a potential long-term retirement-healthcare vehicle.

Current Law (2026)

Health Savings Accounts (HSAs) offer a triple tax advantage: tax-deductible contributions, tax-free growth, and tax-free withdrawals for qualified medical expenses. Eligibility requires enrollment in a High Deductible Health Plan (HDHP).

Parameter	2026 Value
Self-only contribution limit	$4,400
Family contribution limit	$8,750
Catch-up contribution (age 55+)	$1,000 (not indexed)
HDHP minimum deductible (self)	$1,700
HDHP minimum deductible (family)	$3,400
HDHP max out-of-pocket (self)	$8,500
HDHP max out-of-pocket (family)	$17,000

Legal Authority

26 U.S.C. § 223 — Health savings accounts
26 U.S.C. § 105 — Amounts received under accident and health plans
26 U.S.C. § 106 — Contributions by employer to accident and health plans
IRC Section 223(b) — Contribution limits
IRC Section 223(c) — Eligible individual and HDHP definitions

How It Works

The triple tax advantage of an HSA is unmatched in federal law: contributions are deductible above the line (IRC § 223(b)) — you don't need to itemize — growth compounds tax-free, and withdrawals for qualified medical expenses are entirely tax-free. A traditional IRA benefits from only one of these; a Roth IRA from two; the HSA is the only account type offering all three simultaneously. The account belongs to you, not your employer — it moves with you when you change jobs, and balances roll over indefinitely with no use-it-or-lose-it deadline, unlike health FSAs.

Most HSA custodians let you invest your balance in mutual funds, ETFs, or other securities once a minimum cash threshold (typically $1,000–$2,000) is maintained. For long-term investors who can pay current medical costs out of pocket, an HSA invested over decades functions as a powerful supplemental retirement account. After age 65, non-medical withdrawals are taxed as ordinary income but face no penalty — the same treatment as a traditional IRA. Before 65, non-medical withdrawals face income tax plus a steep 20% penalty, making non-emergency non-medical access expensive. After age 65, the penalty disappears entirely, making the HSA strictly better than a traditional IRA for anyone with qualified medical expenses to pair against it.

Spousal and coverage rules: If both spouses are each covered by separate employer HDHPs, each can maintain their own HSA — but the combined contributions across both accounts cannot exceed the family limit ($8,750 in 2026). If only one spouse is covered by a family HDHP, that spouse can contribute up to the full family limit. If you purchase a marketplace HDHP using ACA premium tax credits, you can still contribute to an HSA — the PTC covers the premium and the HSA covers out-of-pocket costs independently.

The Medicare interaction is the most common HSA trap. Once you enroll in any part of Medicare — including Part A — you cannot make new HSA contributions (IRC § 223(b)(7)). The danger is that Medicare Part A enrollment can be retroactive by up to six months for people already receiving Social Security. Any HSA contribution made during a retroactive Part A coverage period becomes an excess contribution, subject to a 6% excise tax per year until corrected. Existing HSA funds remain usable tax-free after Medicare enrollment, including for Medicare Part B, Part D, and Medicare Advantage premiums — the exception being Medigap (Medicare supplement) premiums, which are not qualified expenses. Employers pairing a qualifying HDHP with an HSA can satisfy the ACA employer mandate; some also offer Health Reimbursement Arrangements alongside the HSA to help employees cover deductible costs before their HSA balance builds.

Stealth Retirement Vehicle Strategy

Many financial advisors recommend a "shoebox strategy": pay current medical expenses out-of-pocket, save receipts, and let the HSA grow invested. Decades later, reimburse yourself tax-free from the HSA for all historical medical expenses. There is no time limit on reimbursement — only that the expense occurred after the HSA was established.

How It Affects You

If you're a high earner with an HDHP: The HSA's triple tax advantage makes it uniquely efficient. In 2026, a family contributing the full $8,750 limit in the 32% bracket saves $2,800 in federal income tax before even considering payroll-tax savings from salary-reduction contributions. For people who can afford to pay current medical bills out of pocket and invest the HSA balance, the long-run compounding potential is substantial.

If you're an investor treating your HSA as a stealth retirement account: The "shoebox strategy" is legal under current IRC § 223 — there is no time limit on when you must reimburse yourself for qualified medical expenses, only that the expense occurred after the HSA was established. Pay your current doctor bills out-of-pocket, scan and save every receipt with dates and service descriptions, and let the HSA compound invested. Decades later, reimburse yourself tax-free for all those accumulated expenses — effectively making the HSA a tax-free withdrawal vehicle for any amount covered by saved receipts. For pre-65 non-medical withdrawals (when you don't have receipts), the penalty is steep: income tax plus a flat 20% penalty, compared to just income tax for a traditional IRA. After age 65, non-medical withdrawals face income tax only (same as a traditional IRA). This makes the HSA strictly better than a traditional IRA if you have any qualified medical expenses to pair with it.

If you're approaching 65 and Medicare enrollment: The Medicare interaction is where people most often get burned. Once you enroll in any part of Medicare — including Part A — you cannot make new HSA contributions. The trap is that Medicare Part A enrollment is often retroactive. If you've been collecting Social Security and enroll in Medicare at 66, your Part A coverage may be backdated up to 6 months. Any HSA contribution during that retroactive period is an excess contribution subject to a 6% excise tax per year until corrected. If you're 64 or older and still contributing to an HSA, confirm your exact Medicare Part A enrollment date before making contributions. Once you stop contributing, your existing HSA balance can still be used tax-free for Medicare Part B premiums, Medicare Advantage premiums, and Medicare Part D premiums — the one notable exception is Medigap (Medicare supplement) premiums, which do not qualify.

If you're self-employed: HSA contributions are deductible above the line, so you get the deduction whether or not you itemize. In 2026, a self-employed person with family HDHP coverage can deduct up to $8,750 of HSA contributions, in addition to any separate self-employed health-insurance deduction for HDHP premiums. California and New Jersey remain the big state-law exceptions: both continue to deny normal state HSA tax treatment.

State Variations

CA, NJ: Do not recognize HSAs for state tax purposes. Contributions are not deductible, and growth/withdrawals are taxable at the state level.
AL, WI: Limited conformity issues in prior years; generally conform now.
All other states with income tax generally conform to federal HSA treatment.

Implementing Regulations

26 CFR Part 54 — Excise tax on health savings accounts:
- 26 CFR 54.4980G-1 — Failure of employer to make comparable Health Savings Account contributions (comparable contribution requirements for employers offering HSAs to employees)
- 26 CFR 54.4980G-3 — Employer comparable contribution requirements and cafeteria plan interaction (employers maintaining cafeteria plans under Section 125 are not subject to comparability rules for HSA contributions made through the cafeteria plan)
- 26 CFR 54.4980G-5 — Waiver of comparability requirement (circumstances under which the comparability requirement may be waived for certain employee categories)

Pending Legislation (119th Congress)

As of April 8, 2026, no enacted federal law has displaced the core HSA rules summarized above. Congress continues to debate HSA expansion topics such as direct primary care, broader eligible expenses, and wider account eligibility, but this page should be read based on the current § 223 framework unless federal law changes.

Recent Developments

May 2025: IRS Rev. Proc. 2025-19 set the 2026 HSA inflation-adjusted amounts at $4,400 self-only, $8,750 family, with HDHP minimum deductibles of $1,700 and $3,400 and out-of-pocket maximums of $8,500 and $17,000.
2026 filing season: IRS Publication 969 and related Form 8889 instructions reflect those updated 2026 HSA limits and continue to emphasize that the $1,000 catch-up contribution is not indexed for inflation.
Medicare timing remains a key trap: Medicare Part A retroactivity can still create excess HSA contributions for older workers who continue funding an HSA too close to Medicare enrollment.
California and New Jersey remain outliers: As of April 8, 2026, both states still generally deny normal state-tax HSA treatment, so residents do not get the same full state-law benefit available in most other jurisdictions.