Free T3
Measures triiodothyronine, a thyroid hormone involved in metabolism.
Order a Free T3 Test
Lab testing is available through our partner network. Order online and visit a local collection site. No doctor's order or insurance required.
- Sample type
- Blood
- Typical turnaround
- 1-2 business days
- Preparation
- No special preparation required.
Conditions this test helps investigate
The free t3 is among the tests healthcare providers may use to evaluate the following conditions.
Graves Disease
An autoimmune condition causing hyperthyroidism, often with eye changes (bulging eyes) and goiter....
Hyperthyroidism
A condition in which the thyroid gland produces too much thyroid hormone, speeding up metabolism and causing w...
Thyroid Nodules
Lumps that form in the thyroid gland. Most are benign, but some require evaluation to rule out cancer....
Frequently Asked Questions
What does the free t3 measure?
Measures triiodothyronine, a thyroid hormone involved in metabolism.
What sample type does the free t3 require?
The free t3 typically uses a Blood sample. Your healthcare provider or collection site will confirm the exact procedure.
How long does the free t3 take?
Results for the free t3 are typically available within 1-2 business days depending on the laboratory.
Does this website interpret my test results?
No. SymptomDatabase.com does not interpret laboratory results. Your healthcare provider is responsible for interpreting any test result in the context of your health.