If you have Health Savings Account (HSA) contributions reported on your W-2 in box 12 with code W, then you must complete Form 8889. If you did not have High Deductible Health Plan (HDHP) coverage at any time during the year as you say, then you check the boxes showing None for your coverage.
This will make that HSA contribution an excess contribution that must either be removed as an excess contribution or taxed on your return. TurboTax will give you your options when you enter the data for the Form 8889.
First, you should confirm with your employer whether your insurance plan was in fact a HDHP. If it was, you will avoid these issues. Also, if you are being claimed as a dependent on your parents' return for 2019, then you were not eligible to contribute to the HSA and there will be a penalty on your return.
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