I am seeing the same problem as the OP: having plugged in the numbers from my 1099-SA, form 8889 line 16 calculates to 0. So the zero amount is to be included on Schedule 1 line 8F, but TurboTax is showing the 8f line amount to be $743, not zero. Somewhere during the interview, TT did ask if I had spent this excess amount on qualified healthcare expenses, and I answered yes, because have spent in excess of the $743. Shouldn't line 8F be zero?
