?:definition
|
-
Immunoassay reagents intended to perform qualitative and/or quantitative analyses on a body fluid sample (typically serum) to determine thyroxin-binding globulin (TBG), a protein that binds both thyroxin (T4) and triiodothyronine (T3). Abnormal levels of TBG are found due to inherited diseases (e.g., congenital variants of albumin that have altered affinity for T4), in some nonthyroidal diseases (e.g., hepatitis, HIV), or as a consequence of drug use (e.g., estrogens, oral contraceptives).
|