Decreased: Pregnancy, estrogens, hyperproteinemia, acute intermittent porphyria. Increased: Androgens, hyperproteinemia, stress, acute liver disease. This assay is a measure of available thyroid hormone binding sites and should be interpreted with thyroxine levels.
$39.00Price for members $19.50
Preparation: Please do not exercise prior to testing. It is best that your blood is taken in a rested state.