Which Box 12 is HSA Contribution? - Understanding HSA Contributions

When it comes to HSA contributions, understanding the IRS Forms can be crucial. Box 12 on your W-2 form is where you will find information about your HSA contributions.

Box 12 has various codes that represent different types of compensation and benefits. For HSA contributions specifically, you should look for the code 'W'.

Here are the steps to find your HSA contribution in Box 12:

  1. Locate Box 12 on your W-2 form.
  2. Look for the code 'W' next to Box 12 which indicates HSA contributions.
  3. The amount next to code 'W' represents the total HSA contributions made during the tax year.

It's important to keep track of your HSA contributions as they come with tax advantages and can help you save for future medical expenses.


Understanding how to locate your HSA contributions on your W-2 form is critical for maximizing your savings. In Box 12 of your W-2, the designation of your HSA contributions will be marked with a code 'W'.

To easily find your HSA contributions for tax reporting, follow these steps:

  1. Carefully examine Box 12 on your W-2 form.
  2. Search for the 'W' code next to the box; this signifies contributions made to your Health Savings Account.
  3. Take note of the amount listed next to the 'W', as this reflects the total contributions for the tax year, which can significantly benefit you during tax season.

Tracking your HSA contributions is not only beneficial for tax purposes but also vital for effective management of your medical expenses in the future.

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