How to Report HSA Contributions on W2: A Complete Guide

Reporting HSA contributions on your W2 form is an important step to ensure accurate tax filing. To report HSA contributions on W2, you need to understand the process clearly. Here is a step-by-step guide to help you:

  1. Locate your W2 form: Your employer provides you with a W2 form that includes all your taxable income and deductions.
  2. Identify Box 12 Code W: HSA contributions are reported in Box 12 of the W2 form with the Code W.
  3. Check your contributions: Ensure that the amount in Box 12 Code W matches the total HSA contributions you made during the tax year.
  4. Verify other information: Double-check the rest of your W2 form for accuracy, including your personal details and other income sources.
  5. File your taxes: When filing your taxes, include the total amount in Box 12 Code W as part of your tax return.

By following these simple steps, you can accurately report your HSA contributions on your W2 form and avoid any potential issues during tax season.


To report HSA contributions on your W2 form correctly, it's essential to understand each box on the form. Your employer supplies the W2 form, which summarizes your annual income, and you must focus on Box 12 where HSA contributions are indicated.

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