0.5 mL serum in red top or serum separator tube (fasted sample labeled PRE), and 0.5 serum in red top or serum separator tube (2-hour post sample labeled POST).
Test Description
Fasted bile acids, 2-hour POST feeding bile acids.
PRE and POST prandial bile acids.
Interferences: Marked hemolysis and lipemia. Ursodeoxycholic acid may be detected by bile acid assay, causing falsely elevated values.
Note: Suggested protocol:
1. Obtain a fasting serum sample (0.5 mL) and label the tube PRE-prandial.
2. Obtain a second serum sample (0.5 mL) 2-hours after feeding the animal a maintenance diet and label the tube POST-prandial.