Triiodothyronine (T3)

฿156.00

Measures total triiodothyronine (T3), a thyroid hormone that affects energy use and heart rate. Results reflect both protein-bound and free T3 in the bloodstream.

Blood
15 min at lab
Results: 1 day

Typical Use

Used when hyperthyroidism is suspected, especially “T3 toxicosis” with normal T4; also used to help classify thyroid overactivity and to monitor treatment in selected cases.

Preparation

Wear clothing that allows easy access to your arm
Arrive well-hydrated
Continue regular medications unless advised otherwise by your doctor

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