Thyroxine (T4), Free, Direct
MarkerSerum (preferred) or plasma
Starting at
$16.98
Up to $39
Save up to $22
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Lowest PriceOnlineFree T4 (Free thyroxine)
Free T4 (Free thyroxine)
Updated 7/24/2025
$16.98
Order TestWalk-In Lab
OnlineThyroxine (T4) Free Direct Serum Test
A T4 Free Direct Serum Test is ordered to help in evaluating thyroid gland function.
Updated 7/22/2025
$39
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OnlineHormone Metabolic Blood Test Panel
The Hormone Metabolic Blood Test Panel checks important hormones, thyroid function, and organ health to help find out why someone might feel tired, have trouble with weight, low energy, or other health problems.
Updated 7/24/2025
$149
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OnlineWellness Express Panel Blood Test Plus Complete Blood Count (CBC), Thyroid and Ferritin
The Wellness Express Panel Blood Test Plus CBC, Thyroid & Ferritin consists of 7 essential blood tests to determine overall wellness.
Updated 7/24/2025
$199
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