|Available:||Mon - Fri, first shift only|
|Container:||4 mL red top tube|
|Rejection:||Grossly hemolyzed specimens|
|Normal:||1 - 30 days: 20 - 215 ng/dL|
1 - 11 months: 85 - 250 ng/dL
1 - 10 years: 119 - 218 ng/dL
> 11 years: 55 - 170 ng/dL
|Uses:||T3 concentration is more sensitive to certain thyroid conditions than T4,and T3 levels change faster and more markedly than T4. T3 levels is also an excellent indicator of the ability of the thyroid to respond to both stimulatory and suppressive tests. T3 levels better define hyperthyroidism.|
|Limitations:||Pregnancy, excess estrogens, androgens anabolic steroids, and glucocorticoids may cause false thyroid values.|
|Method:||Competitive chemiluminescence immunoassay|
Online referral form
Did you know you can make a referral to any of our specialty clinics online? Use the form below to submit directly to central scheduling.
Finding the latest trusted child health and safety information doesn't have to be hard. Pediatric Link, Dayton Children's e-newsletter offers timely and up-to-date information for health care professionals from the experts you trust at Dayton Children's.