Centers for Medicare & Medicaid Services (CMS) issued a Medical Learning Network (MLN) Matters article #MM12188 on Implementation of Changes in the End-Stage Renal Disease (ESRD) Prospective Payment System (PPS) and Payment for Dialysis Furnished for Acute Kidney Injury (AKI) in ESRD Facilities for Calendar Year (CY) 2021. The MLN Matters article is for ESRD facilities that bill Medicare Administrative Contractors (MACs) for services they provide to Medicare patients. The article tells about the Calendar Year (CY) 2021 rate updates and policies for the ESRD PPS and implements payment for renal dialysis services furnished to Medicare patients with Acute Kidney Injury (AKI) in ESRD facilities. Learn about rate and policy updates, and make sure billing staff are aware of these changes.