Blood Sciences Test


Bilirubin (total)

Specimen

Serum

Units

umol/L

Reference Range

Test Usage

1. Hyperbilirubinaemia with raised enzymes see Liver enzymes

2. Hyperbiliruinaemia with normal enzymes

Disorders of hepatic excretion

Gilbert’s syndrome, a common incidental finding, is an unconjugated¬†hyperbilirubinaemia

Dubin Johnson and Rotor syndromes, much less common but also found incidentally, are conjugated hyperbilirubinaemias

Crigler-Najjar syndrome is a rare severe unconjugated hyperbilirubinaemia.

Haemolytic anaemias

Other

Clinical. How should I investigate an isolated case of slightly raised bilirubin in an asymptomatic adult?

Answer: We recommend:

Availability

Local test

Turnaround Time

1 day

Can be added on to an existing request up to 1 days following sample receipt

Specimen Labelling Procedure