Serum in red top or serum separator tube, lavender top.
Specimen
0.5 mL serum and 1.0 mL EDTA whole blood.
Test Description
SuperChem (SA010) with Complete Blood Count (CBC) and Total T4.
Interferences: marked hemolysis and lipemia. Lipemia can falsely decrease T4 results.
Interferences: T4 evaluation can be affected in a hemolyzed or moderately lipemic sample. Lipemia can falsely decrease T4 results. Lipemia can falsely elevate TSH results.