1 Rash < 25% Bilirubin 2-2.9 mg/dl Diarrhea 500-1000cc/d or biopsy-proven upper GI involvement 2 Rash 25-50% Bilirubin 3-6 mg/dl Diarrhea 1000-1500cc/d 3 Rash > 50% Bilirubin 6.1-15 mg/dl Diarrhea ...

Conjugation of bilirubin and delivery to the intestine doesn't necessarily lead to excretion of the substance. Neonatal intestines contain beta-glucuronidase, an enzyme capable of reducing ...