👉 Urobilinogenuria is a rare condition characterized by a high concentration of uric acid in the blood. It is caused by an excess of uric acid, which can cause kidney damage and potentially lead to kidney stones. The kidneys are responsible for filtering out uric acids from the blood, but excessive uric acid buildup can lead to kidney disease. Urobilinogenuria typically occurs in children who have a deficiency in the enzyme uricase or who have an underlying genetic defect