About Our Thyroid Total T3
Overview
T3 or Triiodothyronine is a hormone produced by the thyroid gland. Testing for T3 can help in the assessment of thyroid conditions. Depending on your results, high or low T3 levels can indicate an over or underactive thyroid. The thyroid is a small butterfly-shaped gland located at the base of the throat which produces hormones important for metabolism or energy use. Thyroxine (T4) is the major hormone that is produced by the thyroid. T4 is converted to T3 by the body, working with T4 these hormones are important in heart rate, maintaining body temperature, and metabolism.
Test Contents
Total T3 Blood Test
Symptoms
Symptoms may include
sweating shaking cold or heat intolerance fatigue mood swings rapid weight loss trouble sleeping heart issues hair loss high blood glucose increased frequency of urination bulging eyes
When To Check
older adults women who are pregnant women who have recently given birth women who are planning to become pregnant Type 1 diabetes pernicious anemia Addison's disease or primary adrenal insufficiency family history of thyroid disease
How to test
Order Your Test
Choose the test you want to take to know your body better. Then, order your tests online.
Visit A Local Lab
With 2000+ locations, you’ll find a lab near you, easy. Bring your order number to the lab and get tested.
Get Your Result
Download your results from your secure online portal.
