In 2021, prior to the deadline, I made an HSA contribution for 2020. I'm working on my 2021 return right now [filed an extension]; I'm using Turbo Tax Home & Business. In terms of the questions Turbo Tax asks re HSAs, and in terms of the IRS Form 8889, I have found no way to enter my HSA contribution for 2020. [I have no contribution for 2021 as I went on Medicare in Sept. 2020.
