DefinitionGlucuronyl transferase is a liver enzyme. It changes bilirubin into a form that can be removed through the bile. It also changes some hormones, medicines, and toxins into non-harmful products.If the body does not produce enough glucuronyl transferase, jaundice can occur.ReferencesBerk PD, Korenblat KM. Approach to the patient with jaundice or abnormal liver test results. In: Goldman L, Ausiello D, eds. Cecil Medicine. 23rd ed. Philadelphia, Pa: Saunders Elsevier; 2007:chap 150.