Biliary Atresia, Extrahepatic, also known as biliary atresia, is related to biliary atresia and varicose veins, and has symptoms including icterus An important gene associated with Biliary Atresia, Extrahepatic is GGT1 (Gamma-Glutamyltransferase 1). The drugs Meloxicam and Desflurane have been mentioned in the context of this disorder. Affiliated tissues include liver and bone marrow, and related phenotypes are hepatomegaly and elevated hepatic transaminase