The Best Account You Own Has the Worst Inheritance Rules
An HSA is the most tax-favoured account in the American system while you are alive: deductible going in, untaxed while it grows, tax-free coming out for medical costs. At death that changes abruptly, and it changes entirely according to who is named on the beneficiary form. A spouse inherits the account itself. Anyone else inherits a taxable event.
- Spouse:: The account becomes theirs, treated as their own HSA. Nothing is taxed, nothing is distributed, and the tax-free treatment for medical costs continues.
- Anyone else:: The account stops being an HSA immediately. Its full value is included in that beneficiary's income for the year of death, as one lump sum.
- One narrow relief:: The taxable amount is reduced by qualified medical expenses of the deceased that the beneficiary pays within one year of death.
- The estate is worse again:: Where the estate is the beneficiary — often the default when the form was never completed — the value is included on the deceased's final return.
Where the AI summary above gets this wrong
"An HSA passes to your heirs like any other retirement account, and they can spread the withdrawals over ten years."
That's surface-true. Here's what it misses:
- There is no ten-year window for an HSA — That rule belongs to inherited IRAs. A non-spouse HSA beneficiary has no spreading option at all — the entire fair market value is income in the year of death, in one piece, on top of whatever else they earned.
- The outcome is decided entirely by the beneficiary form — Spouse or not-spouse produces two completely different results, and the form is usually completed once when the account is opened and never revisited. It is the rare case where a two-minute administrative check changes a five-figure outcome.
- Naming the estate is the worst version — If no beneficiary is named the estate frequently becomes the default, and the value is then included on the deceased's own final return — often alongside a final year already containing large medical expenses and other income.
01 Two rules, decided by one form
If the beneficiary is your surviving spouse, the HSA becomes their HSA. Not an inherited account with special rules — their own. It continues exactly as before, the balance is not distributed, nothing is taxed, and withdrawals for qualified medical expenses remain tax-free for the rest of their life.
If the beneficiary is anyone else — a child, a sibling, a friend — the account ceases to be an HSA on the date of death. Its entire fair market value that day is included in that person's gross income for that year. There is no ten-year spread, no rollover, no inherited-HSA equivalent. It is a single taxable receipt.
The gap between those two outcomes is enormous, and the only thing determining which one applies is a form filed with the custodian, usually years ago and rarely looked at since.
Shows: the immediate tax when an HSA passes to someone other than a spouse, after reducing the taxable amount by qualified expenses paid within a year of death. Ignores: state tax, and the bracket the lump sum itself pushes the beneficiary into.
Source: Publication 969, Health Savings Accounts and Other Tax-Favored Health Plans
02 The one relief, and the estate trap
A non-spouse beneficiary gets one narrow reduction. Qualified medical expenses incurred by the deceased before death, and paid by the beneficiary within one year of the date of death, reduce the taxable amount.
In a household where the final year involved substantial care costs, unpaid bills can absorb a real portion of the balance — but only if the beneficiary knows to pay them from the account within that window, and only for expenses the deceased actually incurred. It is a deadline nobody is watching in the months after a death.
Worse is naming no beneficiary at all. The estate then commonly takes the account by default, and the fair market value is included on the deceased's final return instead — landing in the same year as everything else on it, which is exactly the year described in the distribution rules for the account they left behind.
Source: Publication 559, Survivors, Executors, and Administrators
03 What to do about it while you can
Three things follow, and none is complicated. First, check the beneficiary designation. If you are married and want the account to survive intact, your spouse has to be named directly — not the estate, and not a trust, either of which forfeits the spousal treatment.
Second, reconsider the spending order. An HSA is usually the last account people touch, because it is the most tax-favoured while alive. Once you know it is the worst thing to leave to a non-spouse, that reasoning weakens for a widowed or single owner with children as beneficiaries — spending it becomes better than preserving it, which is the opposite of the usual advice.
Third, remember the receipts. An HSA can reimburse any qualified expense incurred since the account was opened, with no deadline. An owner who has kept years of unreimbursed medical receipts can withdraw against them tax-free at any time — which is the cleanest way to empty an account that would otherwise arrive at a child as a lump of ordinary income.
I have never met anyone who chose their HSA beneficiary deliberately. The form gets completed in an onboarding session with an employer, alongside a dozen others, and never looked at again — which is how a widowed parent ends up with children named on the single account whose inheritance rules punish exactly that. The check takes two minutes on the custodian's website. If you are married, make sure it says your spouse. If you are not, the honest conclusion is that this is an account to spend rather than preserve, and the stack of old medical receipts in a drawer is how you spend it without paying a cent.
FAQ
What happens to my HSA when I die?
If your spouse is the named beneficiary, it becomes their own HSA and continues unchanged. If anyone else is named, the account stops being an HSA on the date of death and its entire value becomes taxable income to that person in that year.
Can my children spread an inherited HSA over ten years?
No. The ten-year rule applies to inherited IRAs, not HSAs. A non-spouse beneficiary includes the full fair market value in income for the year of death, in one lump, with no spreading option.
Can anything reduce the tax for a non-spouse beneficiary?
Only one thing: qualified medical expenses the deceased incurred before death and the beneficiary pays within one year of the date of death reduce the taxable amount. It is a narrow window and easy to miss.
Sources
Regulator references
- Publication 969, Health Savings Accounts and Other Tax-Favored Health Plans · Internal Revenue Service · 2025What happens to an HSA on the owner's death, by beneficiary type.Last verified: 2026-09-07
- Publication 559, Survivors, Executors, and Administrators · Internal Revenue Service · 2025How income in respect of a decedent reaches the beneficiary's return.Last verified: 2026-09-07
- Publication 502, Medical and Dental Expenses · Internal Revenue Service · 2025Qualified expenses, including those paid within a year of death.Last verified: 2026-09-07
Calculator unit tests · the assertions this page's worked example is checked against, and their last result
Changelog
- 2026-09-07 — initial publish (new format)
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Jordan Reeves
Founder of Talk Through Wealth. A software engineer for over a decade before turning to retirement planning, Jordan built the projection engine after watching family members get fragmented, country-by-country advice that never reconciled. He writes about retirement the way the engine computes it: month-by-month, lifetime-long, and skeptical of any rule of thumb that hasn't been run through the math.