From: Multivariate analysis of factors for failed continuous bladder irrigation in hemorrhagic cystitis patients after hematopoietic stem cell transplantation
Grade I
Microscopic hematuria
Grade II
Macroscopic hematuria
Grade III
Macroscopic hematuria with small clots
Grade IV
Gross hematuria with massive clotting, causing urinary tract obstruction, requiring instrumentation for clot evacuation