Thyroid function test.
T4 or tetra-iodothyronine is the inactive part of the thyroid hormone, thyroxine. It is converted to T3 and affects protein, fat and carbohydrate metabolism of the body along with affecting functions of other hormones.
Diagnosing hypo and hyper thyroidism, monitoring treatment of hypo & hyperthyroidism.
No special preparation is necessary prior to blood sample collection.
Estimated Turn Around For Results:
2-10 Business Days
For an exact turnaround time for results, please contact us at Personalabs and we will contact the lab on your behalf as turnaround times vary depending on testing location or lab testing provider.