Jaundice at >2 wks of age(persistent) Conjugated hyperbilirubinemia Neonatal hepatitis syndrome(torch), biliary atresia Dark urine and unpigmented pale stools Biliary atresia should be diagnosed as soon as possible.Jaundice at >2 wks of age(persistent) Conjugated hyperbilirubinemia: Neonatal hepatitis syndrome(TORCH), biliary atresia; Dark urine and unpigmented pale stools; Biliary atresia should be diagnosed as soon as possible