Starting at
$29
Walk-In Lab
Lowest PriceOnlineThyroxine (T4) Blood Test
The Thyroxine Blood Test is a thyroid function test to help diagnose disorders such as hyperthyroidism and hypothyroidism.
Updated 7/22/2025
$29
Order TestThe Thyroxine Blood Test is a thyroid function test to help diagnose disorders such as hyperthyroidism and hypothyroidism.