Where Do Employee HSA Contributions Go on W2?

When it comes to employee HSA contributions on W2 forms, understanding the specifics can help individuals make the most of their health savings accounts. Employee HSA contributions are reported in different sections of the W2 form, depending on whether they are pre-tax or post-tax contributions. Here’s a breakdown of where employee HSA contributions go on the W2 form:

For pre-tax contributions:

  • Employee pre-tax HSA contributions are reported in Box 12 of the W2 form with code W.

For post-tax contributions:

  • Employee post-tax HSA contributions are not included in Box 12 but are reported in Box 14 of the W2 form.

It’s essential for employees to review their W2 forms carefully to ensure that their HSA contributions are accurately reflected. By understanding where employee HSA contributions go on the W2 form, individuals can track their contributions and maximize the benefits of their health savings accounts.


When it comes to employee HSA contributions on W2 forms, it's vital to grasp the nuances involved. Recognizing how these contributions are reported can significantly benefit individuals utilizing health savings accounts. For pre-tax contributions, these amounts are clearly documented in Box 12 of your W2 with the designated code W, ensuring there's an easy reference point. Meanwhile, post-tax contributions are managed a little differently; they aren't in Box 12 but instead, they find their place in Box 14, allowing a clear distinction between the two types of contributions.

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