Thyroxine thyroxine binding globulin bound

Thyroxine is also called T4. T4 is a hormone that your thyroid gland makes. A T4 test measures the level of T4 in a sample of your blood. Too much or too little T4 may be a sign of a thyroid problem.

A T4 test is usually used with other thyroid tests to help diagnose and monitor thyroid disease and to gather more information about other conditions that may affect your thyroid.

Source: MedlinePlus, U.S. National Library of Medicine

Normal range

No published reference range from a named lab yet.
details
Sample
Serum or plasma · LOINC
Code
LOINC 14016-0 · ug/dL
Also known as
L-thyroxine, Levo-thyroxine, Levothyroxine, T4 TBG, T4 TBG Bnd
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