T4 and TSH

Test Code: SA401
Results:: 1-2 days.
Specimen: 0.5 mL serum in red top or serum separator tube.
Test Description: Thyroid panel including a Total T4 and thyroid stimulating hormone (TSH).

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.