Thyroid Panel
What is a thyroid panel?
A thyroid panel is a group of tests that are often ordered together to help evaluate thyroid gland function and to help diagnose thyroid disorders. The tests included in a thyroid panel measure the amount of thyroid hormones in your blood. These hormones are chemical substances that travel through the bloodstream and control or regulate your body’s metabolism—how it functions and uses energy.
TSH is produced by the pituitary gland and is part of the body’s feedback system to maintain stable amounts of the thyroid hormones thyroxine (T4) and triiodothyronine (T3) in the blood. When concentrations decrease in the blood, the pituitary gland is stimulated to release TSH. The TSH in turn stimulates the production and release of T4 and T3 by the thyroid gland. When the system is functioning normally, thyroid production turns on and off to maintain constant blood thyroid hormone levels.
The thyroid panel usually includes:
Sometimes a T3 uptake test is included to calculate Free Thyroxine Index (FTI).
Sample required?
A blood sample drawn from a vein in the arm or back of the hand
Clinic telephone +86 (0574) 86000000 (Mon-Fri & Weekends: closed)
Website designed and maintained by Foreigners Medical Clinic, Ningbo Development Zone Central Hospital
All content on this website in its entirety is subject to copyright. No part is to be copied without express written permission of Ningbo Development Zone Central Hospital 宁波开发区中心医院
A thyroid panel is a group of tests that are often ordered together to help evaluate thyroid gland function and to help diagnose thyroid disorders. The tests included in a thyroid panel measure the amount of thyroid hormones in your blood. These hormones are chemical substances that travel through the bloodstream and control or regulate your body’s metabolism—how it functions and uses energy.
TSH is produced by the pituitary gland and is part of the body’s feedback system to maintain stable amounts of the thyroid hormones thyroxine (T4) and triiodothyronine (T3) in the blood. When concentrations decrease in the blood, the pituitary gland is stimulated to release TSH. The TSH in turn stimulates the production and release of T4 and T3 by the thyroid gland. When the system is functioning normally, thyroid production turns on and off to maintain constant blood thyroid hormone levels.
The thyroid panel usually includes:
- TSH (thyroid stimulating hormone or thyrotropin) – to test for hypothyroidism, hyperthyroidism and to monitor thyroid replacement therapy
- Total T4/TT4 or free FT4 (thyroxine) – to test for hypothyroidism and hyperthyroidism
- Total TT3/T3 or free FT3 (triiodothyronine) – to test for hyperthyroidism
Sometimes a T3 uptake test is included to calculate Free Thyroxine Index (FTI).
Sample required?
A blood sample drawn from a vein in the arm or back of the hand
Clinic telephone +86 (0574) 86000000 (Mon-Fri & Weekends: closed)
Website designed and maintained by Foreigners Medical Clinic, Ningbo Development Zone Central Hospital
All content on this website in its entirety is subject to copyright. No part is to be copied without express written permission of Ningbo Development Zone Central Hospital 宁波开发区中心医院