Laboratory Medicine
Test Directory / Total Bilirubin
Total Bilirubin
Brown clotted serum, gel barrier or lithium heparin
| Test | Total Bilirubin |
|---|---|
| Common Abbreviations | TBIL, BILI |
| Profile | Liver Function Test |
| Tube type | Brown clotted serum, gel barrier or lithium heparin |
| Clinical Indication | Investigation and monitoring of jaundice, hepatocellular dysfunction (e.g. impaired conjugation of bilirubin) and haemolysis. |
| Specimen Type | Blood |
| Sample type | Serum |
| Minimum Volume | 0.5mL If requesting more than 10 tests please send an additional brown clotted serum sample. |
| Special Precautions | Sample tubes should be stored in the dark if not analysed immediately |
| Stability | 7 days at 2-8°C (stored in the dark) |
| Turnaround Time | Urgent: 2 hours Inpatient: 4 hours Outpatient/ GP: 24 hours |
| Laboratory | York and Scarborough |
| Reference Interval | Adults and children >14 days old: <21 umol/L (Recommended by Pathology Harmonisation Reference Group) |
| Limitations | Haemolysis may interfere with bilirubin measurement. In very rare cases gammopathy, especially monoclonal IgM (Waldenströms macroglobulinaemia), may cause unreliable results. Hydroxocobalamin or Cyanokit (cyanide antidote) may cause interference. |
| Notes |
