If you have already withdrawn your excess HSA contribution, then you do not report it as Other income.
You should only manually add the related earnings as Other income.
In TurboTax, open your return and follow these steps:
- Click on Federal in the left-hand column, then on Wages and Income on top of the screen
- Scroll down to locate the Less Common Income section
- Click Show more and click Start next to Miscellaneous Income at the bottom
- On the next page, click Start next to Other Reportable Income.