- TEST FINDER
- TOTAL T4 / TOTAL THYROXINE
TOTAL T4 / TOTAL THYROXINE
WHAT IS A TOTAL T4 / TOTAL THYROXINE LAB TEST?
This test measures the total amount of circulating thyroxine in your blood. Thyroxine, a hormone produced by the thyroid, is also known as T4. A high value can indicate hyperthyroidism, a low value can indicate hypothyroidism. Total T4 levels can be elevated due to pregnancy, and other high estrogen states, including use of estrogen replacement or birth control pills.
WHAT IS THE PRICE OF A TOTAL T4 / TOTAL THYROXINE LAB TEST?
*Price may vary by location – contact your local ANY LAB TEST NOW
|1-8 Years||5.9-11.5 µg/dL|
|9-13 Years||4.7-10.4 µg/dL|
|14-17 Years||5.0-9.8 µg/dL|
|Conversion Factor: 1 µg/dL = 12.9 nmol/L|
|1st Trimester||6.4-15.2 µg/dL|
|2nd Trimester||7.4-15.2 µg/dL|
|3rd Trimester||7.7-13.8 µg/dL|
|All Trimesters Together||7.0-14.7 µg/dL|
WHAT TYPE OF PHYSICIAN SHOULD I SEE IF MY LAB TEST RESULTS ARE OUT-OF-RANGE?
You should see your primary care physician or OB/GYN.