What IRS Federal Form Shows After-Tax Contribution to an HSA Account?

Understanding your HSA (Health Savings Account) contributions is essential for maximizing its benefits while staying compliant with IRS regulations. When it comes to after-tax contributions to your HSA account, the IRS federal form that showcases this information is Form 8889.

Form 8889 is used to report HSA contributions, calculate your HSA deduction, and report distributions from your HSA. This form ensures that you are accurately documenting your HSA activity and complying with IRS requirements.

Here are some key points to note about Form 8889 and after-tax contributions to your HSA account:

  • Form 8889 is typically filed along with your annual tax return.
  • After-tax contributions to your HSA are those that you make with non-deductible funds, such as contributions made with post-tax dollars.
  • These after-tax contributions are not tax-deductible, but they still offer the benefit of tax-free growth and withdrawals when used for qualified medical expenses.
  • It's important to accurately report both your pre-tax and after-tax contributions on Form 8889 to avoid any IRS penalties or issues.

By understanding the role of Form 8889 in documenting after-tax contributions, you can effectively manage your HSA and leverage its tax advantages to cover your medical expenses.


When it comes to managing your Health Savings Account (HSA), it's vital to understand how after-tax contributions work and their significance on your tax return. The IRS utilizes Form 8889 to provide you with a consolidated view of your HSA contributions and distributions.

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