• Thyroxine (T4)
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Thyroxine (T4)

Thyroxine (T4)

$10.29
$10.29
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Not available to be serviced in NY. DOB and Gender required.

The Thyroxine (T4) test measures the total level of thyroxine, a key hormone produced by the thyroid gland that regulates metabolism, growth, and energy production.

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