Diagnostic criteria
PNAC, infections, malformations
INFECTIONS
(1) PNAC is defined as PN lasting > 14 d with yellow skin staining and/or light stool color, direct bilirubin level ≥ 34 µmol/L (2 mg/dL) or direct bilirubin level ≥ 17umol/L (1 mg/dL) when total bilirubin level ≤ 85umol/L at any moment, and excluding any infections, such as viral, bacterial, and fungal, biliary tract developmental malformations and other causes [