The Colorectal Cancer Payment Fairness Act proposes to amend Title XVIII of the Social Security Act, specifically targeting the Medicare program. Its primary goal is to eliminate the coinsurance requirement for certain colorectal cancer screening tests, ensuring beneficiaries face no out-of-pocket costs for these vital preventive services. This legislation modifies existing law to mandate 100 percent coverage by Medicare for these tests starting in 2027 and continuing indefinitely. It removes previous limitations and phased-in percentages, which previously required beneficiaries to pay a portion of the cost. By fully covering these screenings, the bill aims to enhance access to early detection and treatment of colorectal cancer for Medicare recipients.