From TurboTax 2019:
In determining Connecticut adjusted gross income you are allowed a subtraction modification for certain the taxable year in connection with the donation to another person of human bone marrow, or all or pancreas, kidney, intestine or lung for purposes of organ transplantation. The eligible costs include expenses, travel expenses, and housing expenses.
You may subtract up to $10,000 of incurred expenses.
Yet another reason to consider being a living liver donor!!