Free T4 (Free Thyroxine)
$45.00
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Why Get Tested? To help evaluate thyroid gland function; to help diagnose thyroid disease; to screen for hypothyroidism in newborns; to monitor effectiveness of treatment When to Get Tested? When having signs and symptoms of thyroid disease, after an abnormal TSH test; when you are being treated for a thyroid disorder Sample Required? A blood sample drawn from a vein in your arm or from pricking the heel of an infant Test Preparation Needed? Usually none; however certain thyroid medicines can interfere with Free T4 result.
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