HSA Beneficiary Rules and Estate Planning

Health Savings Account beneficiary designations determine what happens to accumulated HSA funds when the account holder dies — and the tax consequences vary dramatically depending on who is named. The rules governing HSA inheritance are established under 26 U.S.C. § 223 and interpreted through IRS guidance, most notably IRS Publication 969. Understanding these rules is a critical component of broader estate planning, particularly for account holders who have built significant HSA balances through long-term investment strategies described at /regulatory-context-for-health-savings.

Definition and Scope

An HSA beneficiary is the individual or entity designated by the account holder to receive HSA funds upon the holder's death. Unlike 401(k) or IRA accounts, HSAs carry a unique structural characteristic: the tax treatment of inherited funds depends entirely on the relationship between the deceased account holder and the named beneficiary.

The Internal Revenue Code classifies HSA beneficiary outcomes into two distinct categories:

  1. Surviving spouse as beneficiary — The HSA transfers intact and continues to function as a fully qualified HSA in the surviving spouse's name.
  2. Non-spouse beneficiary (including children, siblings, or estates) — The HSA ceases to exist as a tax-advantaged account on the date of the account holder's death, and the full fair market value becomes taxable income to the beneficiary in the year of death.

This binary classification — spouse versus non-spouse — creates a sharp estate planning divide with no intermediate options under current federal law (IRS Publication 969, "Death of HSA Holder").

The scope of beneficiary rules applies to all HSA-eligible account types held at banks, credit unions, and investment custodians regulated under IRS guidance. Accounts vary in their administrative processes for beneficiary designation, but the tax treatment is uniform across custodians.

How It Works

Spouse as Beneficiary

When a surviving spouse is the named beneficiary, the HSA transfers through a process defined under IRS Publication 969:

  1. The account holder dies with a named spouse beneficiary on file with the HSA custodian.
  2. The custodian retitles or transfers the account into the surviving spouse's name.
  3. The account retains its full HSA status — the surviving spouse may continue making contributions (if otherwise HSA-eligible), investing funds, and making tax-free qualified distributions for medical expenses.
  4. The surviving spouse reports the account on their own tax return using IRS Form 8889 going forward.

No income tax is triggered at the point of transfer. The full balance, including any investment gains, passes without a taxable event.

Non-Spouse Beneficiary

When a non-spouse is named — or when no beneficiary is designated and the account passes through the estate — the outcome is less favorable:

  1. The fair market value of the HSA on the date of death is included in the beneficiary's gross income for that tax year (26 U.S.C. § 223(f)(8)(B)).
  2. If the estate is the beneficiary, the value is included in the decedent's final income tax return, not the estate's income tax return.
  3. The beneficiary may deduct any qualified medical expenses the deceased incurred but did not pay before death, reducing the taxable amount by those eligible costs.
  4. The remaining balance after allowable deductions is taxed at the beneficiary's ordinary income tax rate — there is no preferential capital gains treatment.

For an account holder with a $60,000 HSA balance at death, a non-spouse beneficiary could face a federal income tax liability on the full $60,000, minus any deductible final medical expenses, in a single tax year.

Common Scenarios

Scenario 1: Married Account Holder With Designated Spouse

The most tax-efficient outcome. The spouse inherits the HSA with no income tax event, maintains HSA eligibility if enrolled in a qualifying High-Deductible Health Plan, and may contribute up to the annual IRS limit ($4,300 for self-only coverage in 2025, per IRS Revenue Procedure 2024-25) for any year they remain eligible.

Scenario 2: Account Holder Names an Adult Child

The full HSA balance becomes taxable income to the child in the year of death. If the account holds $45,000 in invested assets, that amount is added to the child's ordinary income. Depending on the child's marginal tax bracket, this could represent a federal tax bill of $9,900 to $16,650 at 2024 tax rates (IRS Rev. Proc. 2023-34).

Scenario 3: No Beneficiary Designated

If no beneficiary is on file, the HSA becomes part of the account holder's estate. The fair market value is included on the decedent's final Form 1040 as taxable income. The estate then distributes funds through probate, which adds administrative delay and cost on top of the tax burden.

Scenario 4: Disabled Beneficiary

No special HSA inheritance provisions exist for disabled non-spouse beneficiaries under current law, unlike the treatment available for Inherited IRAs under the SECURE Act. A disabled child inheriting an HSA receives the same treatment as any non-spouse beneficiary — full taxable income in the year of the account holder's death.

Decision Boundaries

The following structured framework identifies the key decision points for HSA estate planning:

1. Marital Status Determines Primary Strategy
- Married account holders should designate a spouse as primary beneficiary to preserve HSA tax status entirely.
- Single account holders have no equivalent tax-deferral option; the estate planning goal shifts to minimizing the non-spouse taxable event.

2. Contingent Beneficiary Designation Is Not Optional
A surviving spouse may predecease the account holder, or both spouses may die simultaneously. Naming a contingent beneficiary prevents the account from passing through probate by default. Custodians administer distributions according to the designation on file, not according to a will.

3. Trust as Beneficiary Carries Specific Risks
Naming a trust as the HSA beneficiary does not confer the spousal rollover benefit. The HSA balance becomes taxable in the year of death, and the trust receives the after-tax or pre-tax distribution depending on trust structure. Estate attorneys familiar with tax-advantaged account rules should review any trust-as-beneficiary arrangement before implementation.

4. Coordination With Overall Health Account Strategy
HSA balances have grown substantially for long-term holders who follow investment-based accumulation strategies. Account holders with balances above $25,000 face materially different estate planning stakes than those with minimal balances. The broader context of tax-advantaged health accounts — including contribution limits and investment options — affects how much weight beneficiary planning deserves within a total estate plan.

5. State-Level Considerations
The IRS framework governs federal tax treatment, but state income tax treatment of HSA inheritance varies. California and New Jersey do not conform to federal HSA tax treatment (IRS Publication 969, state conformity note), and non-conforming states may impose additional state income taxes on inherited HSA balances regardless of whether the beneficiary is a spouse.

Spouse vs. Non-Spouse: Summary Comparison

Factor Spouse Beneficiary Non-Spouse Beneficiary
Federal income tax at transfer None Full fair market value taxed
Account continues as HSA Yes No
Contribution eligibility continues Yes (if HDHP-eligible) No
Investment growth preserved Yes Liquidated at death
Deduction for decedent's final medical expenses Not applicable Yes, reduces taxable amount

References

The law belongs to the people. Georgia v. Public.Resource.Org, 590 U.S. (2020)