What is the W-2 Code for HSA Contribution? - Your Guide to Understanding HSA Contributions

When it comes to HSA contributions, you may wonder about the W-2 code associated with them. The W-2 code for HSA contributions is Box 12, with a Code W.

Understanding this code is essential for your tax filing and financial planning, especially if you have an HSA account. Here is a breakdown of what the W-2 Code for HSA contributions means:

  • Box 12 on your W-2 form is where various types of compensation and benefits are reported.
  • Code W specifically denotes HSA contributions made by both you and your employer.
  • HSA contribution amounts are not subject to federal income tax, FICA, or FUTA taxes.
  • If you made contributions to your HSA outside of your employer's payroll deductions, you need to report those on your tax return separately.

By knowing the W-2 code for HSA contributions, you can accurately report your contributions and maximize your tax benefits. Consult with a tax professional for personalized advice based on your unique financial situation.


When navigating the world of health savings accounts (HSAs), it's crucial to understand your W-2 code for HSA contributions. Specifically, look at Box 12, marked with Code W, which details contributions made by both you and your employer.

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