For differential diagnosis of primary, secondary, and tertiary hypothyroidism. Also useful in screening for hyperthyroidism. This assay allows adjustment of exogenous thyroxine dosage in hypothyroid patients and in patients on suppressive thyroxine therapy for thyroid neoplasia.
$36.00Price for members $18.00
Preparation: Please do not exercise prior to testing. It is best that your blood is taken in a rested state.