Laboratory Medicine
Test Directory / Total Bile Acids
Total Bile Acids
Brown clotted serum, gel barrier or green lithium heparin
| Test | Total Bile Acids | 
|---|---|
| Common Abbreviations | BA | 
| Profile | NA | 
| Tube type | Brown clotted serum, gel barrier or lithium heparin | 
| Clinical Indication | Total bile acids are metabolized in the liver and serve as a marker of normal liver function. Levels are increased in patients with acute hepatitis, chronic hepatitis, liver sclerosis, liver cancer and in cholestasis in pregnancy | 
| Specimen Type | Blood | 
| Sample type | Serum or plasma | 
| Minimum Volume | 0.5mL If requesting more than 10 tests please send an additional brown clotted serum sample. | 
| Special Precautions | Fasting sample preferred as concentrations increase following a meal | 
| Stability | 1 week at 4°C and 3 months -20°C | 
| Turnaround Time | Inpatient: 24 hours Outpatient/ GP: 2 days | 
| Laboratory | York and Scarborough | 
| Reference Interval | <18 µmol/L | 
| Limitations | Specimens from patients who are receiving ursodeoxycholic acid treatment, prescribed to relieve the symptoms of cholestasis in pregnancy, are not suitable for use with this assay. | 
| Notes | 






