Serum in red top or serum separator tube, lavender top.
Specimen
0.5 mL serum and 1.0 mL EDTA whole blood.
Test Description
A comprehensive chemistry profile with SDMA (SA025), a Complete Blood Count (CBC), and a Total T4.
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.