U.S. doctors online nowAsk doctors free
NH
A 19-year-old female asked:

On my thyroid panel blood test, my t4. t3 (liothyronine) uptake, free thyroxine index are normal. but, my tsh is too low. whats that mean?

1 doctor answer1 doctor weighed in
Dr. Clarence Grim
Endocrinology 59 years experience
Thyroid tests: Wen tests don't make sense first thing to do is to repeat. But also need to know why you are being tested?
Created for people with ongoing healthcare needs but benefits everyone.
Last updated Jun 7, 2020

Disclaimer:

Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.