Thyroxine Free, Direct (T4)

2 Thyroxine Free, Direct (T4) $0 $41 /Thyroxine+Free%2C+Direct+%28T4%29?

This test is used to evaluate thyroid function in individuals who may have protein abnormalities that could affect total T4 levels. It is used to evaluate thyroid function and monitor replacement and suppressive therapy.

$37

lef.org

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Thyroxine (T4) Free, Direct, Serum

Also known as: Free T4, Direct, Serum ; Free Thyroxine ; T4, Free, Direct ; T4, Free, Direct, Serum ; Unbound T4. Thyroxine (T4) is a hormone produced by the thyroid gland. A test of the amount of T4 in the blood is a way to see how well the thyroid gland is working. Free T4 may be indicated when binding globulin (TBG) problems are perceived, or when conventional test results seem inconsistent with clinical observations

$40

prepaidlab.com

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