A bipartisan group of Senate and House lawmakers introduced a bill this week that would ensure that Medicare beneficiaries are no longer hit with surprise charges for colonoscopies they thought were free. The Removing Barriers to Colorectal Cancer Screening Act would eliminate cost-sharing for Medicare beneficiaries receiving routine screening colonoscopy when polyps are removed. Medicare pays for routine colonoscopies for the purpose of screening, but if polyps are found and removed during the procedure, the colonoscopy is categorized as a...