Hypouricemia, Renal, 2, also known as rhuc2, is related to blood group, i system and nephrolithiasis, calcium oxalate, 1. An important gene associated with Hypouricemia, Renal, 2 is SLC2A9 (Solute Carrier Family 2 Member 9). Affiliated tissues include kidney, and related phenotypes are nephrolithiasis and hypouricemia