Race is an imprecise social construct that may create barriers to obtaining high-quality health care for some groups owing to social disadvantages and racism. Racial disparities in health care can be addressed only with reliable data on health care outcomes by race. The Institute of Medicine recommends standardized collection of race and ethnicity, collecting self-reported race using the same categories across data sources and allowing designation of more than 1 race.1 The Office of Management and Budget harmonized race and ethnicity categorization across government entities and forms, including the Centers for Medicare & Medicaid Services’ (CMS) End-Stage Renal Disease Medical Evidence Report (Form CMS-2728) used to collect data on race in the US Renal Data System (USRDS).