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 PosUrine urobilinogen ↑ ↓↓N = normal, V = variable.
Total bilirubin ↑ ↑↑Direct bilirubin N V ↑Urine bilirubin Neg V PosUrine urobilinogen ↑ ↓↓N = normal, V = variable.