<prompt> Bilirubin UDP glucuronyl transferase activity is absent inCrigler-Najjar type ICrigler-Najjar type IIRotor syndromeGilbert syndrome  <response>: SyndromeBilirubin UDP glucuronyl transferase activityCrigler-Najjar type ICrigler-Najjar type IIGilbert syndromeAbsentMarkedly reduced : 0-10 of NormalReduced : 10-30 of Normal 