T4 EIA Kit, Cat No: BC-1007, Store at 2-8C, For in vitro diagnostic use only This product s intended use is For the quantitative determination of total thyroxine (T4) concentration in human serum. The test is useful in the diagnosis and treatment of thyroid disorders. Class I - Dangerous Immunoassay TEST Kit do not meet product shelf-life standards resulting in failed controls. Oct 14, 2021 Diagnostic Equipment View Details →