Baseline test for thyroid funtion.
- T3 uptake is used to estimate the amount of TBG ( Thyroxine-Binding Globulin) in the blood and how much T3 and T4 is available for the body to use. This number directly affects the T3 and T4 levels.
- T4 circulates in the blood and influences how other organs and the heart function in the body.
- T7 is a calculated measure of T4 x T3U (T3 Uptake)
1. Purchase Tests
Choose the test you want (be sure to pick the laboratory you want to use).
Pay by credit card or PayPal®.
You pay directly and we do not bill your insurance.
(Note: A $10 laboratory fee is added to your total when you purchase one or more blood tests.)
2. Visit a Lab
After purchasing your testing you will receive an email with your lab requisition. Bring this form to the laboratory.
NOTE: Be sure to visit the appropriate laboratory!
If you choose LabCorp only visit a
If you choose Quest Diagnostics only visit a Quest location!
No appointment is needed, but making one can minimize your wait time.
Click here for HOURS & APPOINTMENTS
If you have selected the option to have an At Home Test Kit delivered to you, you will receive your test kit in the mail within 5 to 7 business days. (Not all tests are available as At Home Test Kits.)
3. Get Results
We’ll email you when your results are ready. Sign into your account to view and download your result reports.