RecruitingPhase 4Clinical trialIndigotindisulfonate Sodium as an Aid in Determination of Ureteral Patency in Patient's With Renal ImpairmentThis is an open label, randomized, multicenter study to evaluate the efficacy and safety of two dose levels (2.5 mL and 5.0 mL) of Indigotindisulfonate Sodium Injection, USP 0.8% when used as an aid in the determination of ureteral patency in patients with different degrees of renal impairment.