2027 HSA Contribution Limits and HDHP Rules for Employers

The first three rows come from IRS Revenue Procedure 2026-24. The contribution amounts apply to calendar year 2027. Catch-up and spouse rules are explained in the Form 8889 instructions; use the 2027 revenue procedure, rather than the older instructions’ annual figures, for 2027 limits.

The deductible is a floor for a standard qualified HDHP, not the amount every plan must use. The out-of-pocket figure is a ceiling under those rules, not an amount employees are required to spend. For plans using a provider network, these HDHP out-of-pocket limits apply to in-network expenses; out-of-network exposure needs a separate review. Premiums are separate. Special statutory treatment for certain individual-market plans is discussed below.

Do not confuse an HSA contribution limit with a deductible or an HRA allowance. They regulate different things. A $4,500 HSA limit does not mean an employee’s deductible is $4,500, and it does not mean the employer must contribute that amount.

The account limit applies to combined contributions, including employer deposits and employee contributions. For an otherwise eligible employee under age 55 with full-year self-only coverage, a $900 employer contribution leaves $3,600 of the $4,500 limit for employee contributions, assuming no other contributions that count against the limit.

These examples assume continuous eligibility and no contributions from another employer, a spouse’s employer, or another source. For 26 biweekly checks, the same employee amounts are approximately $138.46 and $276.92, with a final rounding adjustment.

A practical enrollment worksheet should show four separate lines: the applicable annual limit, expected employer funding, other known contributions, and the remaining payroll election. Keep the employer deposit visible even if it arrives later in the year.

If an employee changes jobs, your payroll system may not know what a previous employer contributed. Ask employees to account for other contributions when making elections, and provide a clear way to update payroll deductions. Do not assume the new employer creates a second annual allowance.

IRS Publication 969 explains the basic eligibility conditions: qualifying coverage on the first day of the month, no disqualifying other coverage, no Medicare enrollment, and no eligibility to be claimed as another person’s dependent. General-purpose health FSAs and HRAs can interfere; appropriately designed limited-purpose arrangements may be compatible.

Ask employees to check coverage through a spouse as well as their own elections. An employee may decline your general-purpose FSA but still be covered by a spouse’s FSA. The benefits administrator should provide a private route for resolving those questions.

For payroll, use a status checklist rather than trying to infer eligibility from the plan name:

• Has the carrier confirmed that the selected plan is HSA-qualified for the relevant year?
• Has the employee reviewed other coverage that could affect eligibility?
• Is there a Medicare enrollment date to account for?
• Does the employee expect a midyear coverage change?
• Are there contributions from another employer or account to coordinate?

Keep this process separate from collecting medical details. The goal is to establish contribution eligibility and the correct election, not to ask employees to explain their diagnoses.

The Form 8889 instructions explain monthly eligibility and the last-month rule. Under the ordinary monthly approach, the contribution limit reflects eligible months and coverage type. The last-month rule can permit a larger contribution for someone eligible on December 1, but it comes with a testing period and possible tax consequences if eligibility is not maintained.

Illustration: an employee under age 55 first becomes eligible for self-only coverage on July 1, 2027, and remains eligible through December. Using six eligible months under the ordinary method, the limit is $4,500 × 6 ÷ 12 = $2,250. If the employer contributes $600 for that period, the remaining employee amount is $1,650, assuming no other contributions.

If the same employee becomes eligible July 15, eligibility on the first day of each month needs to be checked; payroll should not automatically count July. Have the administrator or tax adviser confirm the actual calculation.

The last-month rule is not a reason to automatically load the full annual limit for every new hire. Ask whether the employee understands the continuing eligibility condition. A monthly worksheet is easier to explain and audit than an unsupported assumption that “the system allows it.”

For a midyear change from self-only to family coverage, list each month’s coverage status and use the applicable worksheet. Avoid treating the family limit as a second allowance on top of self-only contributions already made.

Eligible married spouses generally share the family contribution limit rather than receiving a separate full family allowance each. Catch-up contributions belong in the eligible spouse’s own HSA. These distinctions appear in the IRS Form 8889 instructions.

For example, assume both spouses are eligible all year, both are age 55 or older, and the family limit applies. Their combined ordinary 2027 contribution limit is $9,000. Each may also have a $1,000 catch-up allowance, producing a potential combined $11,000 across appropriately allocated accounts. They should not place both catch-up amounts into only one spouse’s HSA.

If one employer provides $1,800 and the other provides $1,200, the combined $3,000 of employer funding must be considered before personal contributions are set. The family’s payroll systems will not necessarily coordinate with each other.

A useful employee reminder is: “Review household HSA contributions before selecting your payroll amount.” That is more accurate than telling everyone on family coverage that they can personally contribute $9,000 through payroll regardless of employer or spouse contributions.

IRS Notice 2026-5 explains several changes enacted in 2025. Qualifying telehealth can be covered before the deductible without disqualifying an otherwise eligible HDHP. Beginning in 2026, certain bronze and catastrophic plans available as individual coverage through an Exchange receive special HSA treatment even if they do not satisfy ordinary HDHP deductible or out-of-pocket limits.

That individual-market rule should not be turned into the statement “every employer bronze plan qualifies.” Confirm which statutory category the proposed coverage falls into. The standard HDHP table above remains the relevant starting point for ordinary employer HSA-qualified plan design.

The notice also addresses qualifying direct primary care service arrangements. For 2027, Revenue Procedure 2026-24 retains aggregate monthly fee thresholds of $150 for an individual arrangement or $300 for an arrangement covering more than one individual for the applicable HSA eligibility exception. The fee alone is not enough; the arrangement must satisfy the service and structure rules.

If an employer adds a primary-care membership, telehealth service, or reimbursement benefit, request a written HSA compatibility review. Do not assume that because a product sounds like preventive care it receives the same tax treatment as every other service.

An HSA is an individually owned account. Unused balances can carry forward and remain with the account holder after a job change. Qualified distributions receive favorable federal tax treatment; other withdrawals can have tax consequences. Publication 969 provides the underlying account rules.

For an employer promising $900, compare an upfront deposit with $75 monthly deposits. The annual budget may be identical for a full-year participant, but the early-year help is very different. Explain what happens for new hires and departures under the written contribution policy.

Give employees a practical account setup checklist: establish the account with the custodian, complete required identity verification, confirm payroll information, and understand fees and investment choices. A payroll deduction is not the same as a successfully deposited contribution; reconcile the transfer.

Encourage employees to keep records supporting qualified expenses. An HSA card transaction is not, by itself, an explanation of why an expense qualifies. For reimbursement and tax questions, direct employees to the custodian and their tax adviser rather than having managers make individual tax determinations.

1. Confirm the plan year and calendar-year account limits. Do not roll forward last year’s contribution settings without checking the new amounts.
2. Verify the insurance design. Obtain carrier confirmation of HSA qualification, including family deductible treatment.
3. Approve employer funding. Document annual amounts, deposit timing, new-hire treatment, and applicable comparability or nondiscrimination review.
4. Update enrollment instructions. Explain combined contributions, spouse coordination, catch-up contributions, and midyear changes.
5. Test payroll elections. Use sample employees with self-only, family, age-55, and partial-year circumstances.
6. Reconcile deposits. Compare payroll records with custodian confirmations and investigate rejected transfers promptly.
7. Provide a correction path. Tell employees whom to contact if they discover ineligibility or excess contributions.

Can an employee keep the HSA after leaving the HDHP?

The account can remain available, but the ability to make new contributions must be evaluated separately from the ability to use an existing balance. Do not close or treat the account as forfeited merely because the insurance election changes.

What if too much has been contributed?

Have the employee contact the custodian and tax adviser promptly about the correction process and deadlines. Do not assume reducing a future payroll deduction resolves an excess that has already occurred. The IRS instructions explain excess contributions and related reporting.

Where does HSA funding fit in the benefits budget?

Show it alongside the employer premium contribution, then compare the employee’s total annual cost and timing of expenses. See our plan comparison and 2027 budgeting guide for worked examples.