Question

How can I report HSA contributions that are made by my HDHP benefit plan through my employer, but not reported my your W2.

My insurance plan pays into my HSA $900 a year and I contribute enough through my employer annually to max out to the contribution limits...

To enter the HSA contributions that were not reported on your W-2:

In Deductions & Credits in HSA section
On the screen Let's enter Your HSA Contributions, do not enter any amount, and Continue
Did your employer tell you about any other contributions?
Answer Yes
Enter the amount in the last box for Employer and payroll contributions not reported in Box 12 of your W-2
Follow the prompts