2 serum in red top or serum separator tubes (PRE and POST), lavender top.
Specimen
0.5 mL serum for resting and post-prandial samples (fasted sample labeled PRE and 2-hour post sample labeled POST) and 1.0 mL EDTA whole blood.
Test Description
Liver Chemistry (CSA324), Complete Blood Count (CBC), and PRE and POST bile acids (CT220).
Interferences: marked hemolysis and lipemia. Ursodiol administration may cause bile acids to be increased. Consider withholding ursodiol for five days prior to testing.