The free hormone methods used by most clinical laboratories (indexes and immunoassays) do not employ physical separation of bound from free hormone and do not measure free hormone concentrations ...
ALTHOUGH much of the progress in thyroid hormone biochemistry is due to the use of thyroxine and 3 : 5 : 3′-triiodothyronine labelled with iodine-131, the high metabolic lability of the iodine ...
Traditionally, the free thyroxine index, sometimes called a ... Guideline 12. Thyroid Hormone Binding Ratio (THBR) or "Uptake" Tests "Uptake" tests should be called "Thyroid Hormone Binding ...