Veterinary Clinical Biochemistry and Laboratory Diagnosis

DIFFERENTIAL DIAGNOSIS OF JAUNDICE

Serum and urine bilirubin in different types of jaundice

Type of jaundice		Bilirubin concentration
		Unconjugated		Conjugated
		Serum	Urine	Serum	Urine
Hemolytic		↑↑↑	0	n	O to trace
Hepatic		↑↑	0	↑↑	++
Obstructive		↑	0	↑↑↑	+++
Normal serum	Young	< 18.0 μmol/L	0	< 3.4 μmol/L	0
	Adults	< 18.8 μmol/L	0	< 5.5 μmol/L	0