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Test Directory

Total T4

Loinc

-

Expected Turnaround

24 hours

The determination of T4 can be utilized for the following indications: the detection of hyperthyroidism, the detection of primary and secondary hypothyroidism, and the monitoring of TSH‑suppression therapy.

 

Electrochemiluminescence-immunoassay (ECLIA)

Autoantibodies to thyroid hormones can interfere with the assay.

 

Room temperature: 4 days Refrigerated: 8 days Frozen: 24 months

Total T4; T4, Serum; T4 (Thyroxine), Total; Thyroxine (T4); Thyroxine, Total

Serum, gel separator, SST

1 ML

0 - 999

Generic

μg/dL

4.5 μg/dL - 11.7 μg/dL


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