| | Healthcare Industry | Healthcare Management What does the medical abbreviation RDW mean? RDW stands for "Red cell distribution width". It is a measure of the variation in the size of red blood cells in a blood sample. Healthcare Management - Related Articles What is hospital management? How to Clean Operating Room Equipment How to Prevent Medical Malpractice What Is an RN Cnor? Quality Assurance Guideposts for Nurse Practitioners Medical Documentation Tips HIPAA Readiness Checklist