FREE T3L TRIIODOTHYRONINE IN SERUM

Also known as: Free T3

What you need to know about study FREE T3L TRIIODOTHYRONINE IN SERUM

Sample type Serum or plasma
Delivery time 12 hours
Do I need to fast? Sí

What is this study and what is it for?

Free triiodothyronine (T3) is a second or third-level thyroid function test; provides additional hyperthyroidism confirmation, complementing tetraiodothyronine (T4), sensitive thyrotropin (sTSH), and total T3 assays. Clinical evaluation of euthyroid patients who have an altered distribution of binding proteins. Thyroid hormone replacement therapy monitoring.

What type of sample is needed?

Serum or plasma

Preparation / Instructions

4-hour fast

Delivery time

12 hours

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