Description
A T4 test is used to evaluate thyroid function and diagnose thyroid disease. Free T4 enters the body tissues where it’s needed
- Reported within 6 Hours after sample received
Sample(s) Required
- Serum
About This Test
FT4 gives corrected values in patients in whom the total T4 is altered on account of changes in serum proteins or in binding sites (e.g., pregnancy, drugs [such as androgens, estrogens, birth control pills, phenytoin], altered levels of serum proteins [e.g., nephrosis]).
1 Test(s) Included
- Free T4
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