Total Bilirubin

Bilirubin Total T-Bil
Serum (SST, protected from light) µmol/L

About this test

End product of haem catabolism. Fractionated into conjugated (direct) and unconjugated (indirect). Elevated bilirubin causes jaundice.

Reference Ranges

Sex Age Range Notes
All ≥ 18 yrs 3 – 21 Adult

Clinical Interpretation

High / Increased
Pre-hepatic — haemolysis (unconjugated ↑), Gilbert's syndrome; Hepatic — hepatitis, cirrhosis; Post-hepatic — obstruction, cholestasis.

Related Tests

Specimen
Serum (SST, protected from light)
Reporting Unit
µmol/L

⚠ Clinical Note
Reference ranges are indicative. Always interpret results in the context of the individual patient and local laboratory reference intervals, which may vary.