Support WBURCancer screenings like colonoscopies are supposed to be free. Hers cost $2,185Play07:05Download AudioMichelle AndrewsMay 31, 2022 SharePreventive care should be free to patients under the Affordable Care Act, but Elizabeth Melville of Sunapee, NH., was charged $2,185 for a colonoscopy in 2021. (KHN)