T4 Autoantibodies

Test Code
T500
Results:
2-4 days.
Specimen
0.5 mL serum in red top or serum separator tube.
Test Description
Detection of T4 autoantibody is used to assess the presence of autoimmune thyroid disease. This test is less sensitive to autoimmune thyroid disease than the thyroglobulin autoantibody (TGAA) test.