Total T4 (Thyroxine)
$45
- Sample
- Blood draw
- Preparation
- No fasting needed.
- Results in
- 1-3 business days after your sample reaches the lab
Tests are ordered by an independent licensed physician. This service does not replace care from your own doctor. Talk with a healthcare professional about your results.
T4 (thyroxine) is the main hormone your thyroid gland produces; your body converts it to the more active T3 as needed. Checking Total T4 alongside TSH and Free T3 gives a fuller thyroid picture than any one test alone.
Before your visit: no necesita ayunar.