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Test Directory

Free T3



Expected Turnaround

24 hours

Free T3 is a useful tool in clinical routine diagnostics for the assessment of the thyroid status. Free T3 measurements support the differential diagnosis of thyroid disorders, are needed to distinguish different forms of hyperthyroidism, and to identify patients with T3 thyrotoxicosis.


Electrochemiluminescence-immunoassay (ECLIA)

In rare cases, interference due to extremely high titers of antibodies to analyte‑specific antibodies, streptavidin or ruthenium can occur. These effects are minimized by suitable test design.


Room Temperature: 5 days Refrigerated: 7 days Frozen: 1 month

Free T3; T3, free

Serum, gel separator, SST

1 ML

0 - 999


2 - 4.4

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