Single Tests (In alphabetical order)>
T4 Free (direct)
 

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Orig. Price: $59.00
Sale Price: $59.00
Prod. Code: 001974

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 Thyroxine (T4) Free, Direct

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.