Bilirubin Overload (Hemolysis) | Parenchymal Dysfunction | Cholestasis | |
---|---|---|---|
Aminotransferases | Normal | Increased (may be normal or decreased in advanced stages) | Normal (may be increased in advanced stages) |
Alkaline phosphatase | Normal | Normal | Increased |
Bilirubin | Increased unconjugated | Increased conjugated | Increased conjugated |
Serum proteins | Normal | Decreased | Normal (may be decreased in advanced stages) |
Prothrombin time | Normal | Decreased (may be normal in early stages) | Normal (may be prolonged in advanced stages) |
Blood urea nitrogen | Normal | Normal (may be decreased in advanced stages) | Normal |
Sulfobromophthalein/indocyanine green | Normal | Retention | Normal or retention |