Does dialysis require a copay or coinsurance? Admin March 27, 2017 19:18 Updated Dialysis is subject to the deductible and coinsurance. Related articles Do advanced imaging and outpatient surgery require a copay or coinsurance? How is chemotherapy covered? How is durable medical equipment covered? Am I eligible for The Tennessee Plan? What happens if I have several covered medical expenses within the same year? Will I have to keep paying part of the cost?