Differential Diagnosis of Jaundice Clinical Chemistry Review 107
TEST PREHEPATIC JAUNDICE HEPATIC JAUNDICE POSTHEPATIC JAUNDICE
Total bilirubin ↑ ↑↑
Direct bilirubin N V ↑
Urine bilirubin Neg V Pos
Urine urobilinogen ↑ ↓↓
N = normal, V = variable.
Total bilirubin ↑ ↑↑
Direct bilirubin N V ↑
Urine bilirubin Neg V Pos
Urine urobilinogen ↑ ↓↓
N = normal, V = variable.