401(h) Basics

401(h) Contribution Limits: Maximize Your Medical Benefits

Unlock the potential of your 401(h) plan by understanding and optimizing contribution limits. Learn how to maximize these valuable medical benefits for retirement.

By 401h.com EditorialPublished Jun 27, 2026Updated Jun 27, 20263 min read

Key takeaways

  • 401(h) plans allow pre-funded medical benefits in retirement.
  • Contribution limits are influenced by HCE status and defined contribution plan limits.
  • The "25% limitation" significantly impacts how much can be allocated to 401(h).
  • Actuarial calculations determine the present value of future medical expenses.
  • Strategic planning is essential to maximize your 401(h) benefits.

Understanding Your 401(h) Plan

A 401(h) plan is a unique component that can be added to a qualified defined benefit pension plan, designed to provide pre-funded medical benefits for retirees, their spouses, and their dependents. Unlike a standard health savings account (HSA), contributions to a 401(h) are made by the employer, potentially offering significant tax advantages down the road.

For high-income earners and business owners, coupling a 401(h) with a defined benefit plan can be a powerful strategy for comprehensive retirement planning, addressing not just income replacement but also a critical — and often overlooked — aspect: healthcare costs in retirement.

Who is a Highly Compensated Employee (HCE)?

Understanding your status as a Highly Compensated Employee (HCE) is crucial when navigating 401(h) contribution limits. The IRS defines an HCE based on specific criteria, typically relating to their compensation level or ownership stake in the company.

If you are classified as an HCE, your 401(h) contributions may be subject to additional restrictions and tests to ensure the plan does not unfairly favor highly compensated individuals over other employees. This is a common theme in tax-advantaged retirement plans, designed to promote broad-based benefit distribution.

The Impact of Defined Contribution Limits on 401(h)

For HCEs, one significant constraint on 401(h) contributions is its link to the annual additions limit for defined contribution plans under IRS Section 415. While a 401(h) is technically part of a defined benefit plan, its contribution structure for individual accounts means it cannot exceed the limits typically applied to defined contribution plans.

This means that the total amount allocated to an individual's 401(h) account, when combined with other defined contribution plan contributions, cannot surpass the annually adjusted IRS limits. This ensures that even highly compensated individuals adhere to overall caps on tax-advantaged retirement savings.

The 25% Limitation Rule

Perhaps one of the most significant restrictions on 401(h) contributions is the "25% limitation." This rule dictates that the aggregate amount of contributions for medical benefits cannot exceed 25% of the total amount of contributions (other than contributions to fund past service credits) made to the pension plan itself since the 401(h) medical account was established.

This limitation is not applied annually but cumulatively over the life of the plan. It aims to maintain the primary purpose of the defined benefit plan as providing retirement income, with the 401(h) as a supplementary benefit rather than the main focus. Proper actuarial calculations and ongoing monitoring are essential to ensure adherence to this critical rule.

Present Value Calculations for Medical Expenses

To determine the appropriate level of 401(h) contributions, especially in light of the 25% limitation and HCE rules, actuaries perform complex calculations to ascertain the present value of reasonably anticipated medical benefits.

These calculations take into account various factors such as:

  • Projected healthcare costs
  • Participant demographics
  • Anticipated retirement ages
  • Life expectancies

The goal is to project future medical expenses and then calculate the lump sum amount needed today to fund those benefits, ensuring that contributions remain within IRS guidelines and are actuarially sound.

Maximizing Your 401(h) Benefits

Navigating the rules and limitations of 401(h) plans requires careful planning and expert guidance. For business owners and high-income professionals, these plans offer a unique opportunity to build a significant tax-advantaged reserve for future medical expenses, complementing traditional retirement savings.

To maximize your 401(h) benefits, consider:

  • Early Implementation: The longer the plan is in place, the more time for contributions to grow.
  • Regular Review: Periodically assess your plan's funding status and actuarial assumptions.
  • Professional Consultation: Work with a qualified actuary and financial advisor experienced in defined benefit and 401(h) plans.

By strategically managing your 401(h) contributions, you can create a robust financial safety net for healthcare costs during your retirement years.

Frequently asked questions

A 401(h) plan is a special account linked to a defined benefit pension plan, designed to pre-fund medical benefits for retirees and their dependents with tax advantages.

Availability, tax treatment, and plan design depend on the facts and circumstances of the employer, plan document, participant group, and applicable law. 401h.com provides general educational information only — not tax, legal, actuarial, investment, or ERISA advice. Consult qualified tax, legal, actuarial, and plan professionals.

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401h.com Editorial

401h.com

The 401h.com editorial team publishes plain-English explainers on 401(h) retiree medical benefit plans. Educational only — not tax, legal, actuarial, investment, or ERISA advice.

Next step

Find out whether a 401(h) strategy may fit

Talk with a 401(h) specialist about your plan, participant group, and retiree medical objectives.

Availability, tax treatment, and plan design depend on the facts and circumstances of the employer, plan document, participant group, and applicable law. 401h.com provides general educational information only — not tax, legal, actuarial, investment, or ERISA advice. Consult qualified tax, legal, actuarial, and plan professionals.