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T4 Total

$20

T4 Total

Original price was: $48.00.Current price is: $20.00.

For diagnosis of hypothyroidism and hyperthyroidism. T4 is a hormone that plays a role in several body functions, including growth and metabolism.

Quest Code: 867 Categories: General, Thyroid

Testing Details

Fasting Required: NO

Preferred Specimen: Serum

Limitations: Nonthyroidal chronic diseases, nicotinic acid and nutrition may decrease results. Thyrotoxicosis may not always cause abnormal results. Binding protein variations may cause variations in results. Increases may be associated with pregnancy or oral contraceptive use.

Reference Range(s):

T4 (Thyroxine), Total 4.5-12.0 mcg/dL
Free T4 Index (T7) 1.4-3.8

Turnaround Time: 3 Days

Test Code: 867

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