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    Uric Acid Serum
    May 24, 2018
    Thyroxine ( T4 )
    May 24, 2018
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    Thyroxine ( T4 ) Free Direct


    Test Details


    • Free T4, Direct, Serum
    • Free Thyroxine
    • T4, Free, Direct, Serum


    Free T4 may be indicated when binding globulin (TBG) problems are perceived, or when conventional test results seem inconsistent with clinical observations. It is normal in subjects with high thyroxine-binding globulin hormone binding who are euthyroid (ie, free thyroxine should be normal in nonthyroidal diseases). It should be normal in familial dysalbuminemic hyperthyroxinemia.

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