Urobilinogen Abnormal Increased & Decreased LevelsUrobilinogen in urine is created in the intestines by bacteria and is a colorless by product of bilirubin reduction. Normal levels found in the urinary tract are common.
Normal Levels Vs Increased Or Decreased AmountsSome urobilinogen is absorbed through the liver and passed through the urine from bilirubin reduction and is completely normal. Normal levels of urobilinogen in the urinary tract and in the urine are less than 17 umol/l. Elevated or reduced amounts in the urine are abnormal and cause for concern and further diagnosis.