Free T4 test | 合法醫療器材資訊網

2020年1月26日—Atypicalnormalrangeis0.9to2.3nanogramsperdeciliter(ng/dL),or12to30picomolesperliter(pmol/L).Normalvaluerangesmayvary ...

T4 (thyroxine) is the main hormone produced by the thyroid gland. A laboratory test can be done to measure the amount of free T4 in your blood. Free T4 is the thyroxine that is not attached to a protein in the blood.

Free thyroxine test; Thyroxine test by equilibrium dialysis

A blood sample is needed.

Your health care provider will tell you if you need to stop taking any medicines that may affect the test result. In general, test results are not affected by other medicines you may be taking. However, certain supplements including biotin (vitamin B7) can affect the results. Tell your provider if you are taking biotin.

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