Referred Tests
| Web: | mayocliniclabs.com |
|---|---|
| Email: | mcl@mayo.edu |
| Telephone: | 800-533-1710 |
| International: | +1 855-379-3115 |
| Values are valid only on day of printing. | |
Test ID: FRT3
T3 (Triiodothyronine), Free, Serum
Useful For 
Suggests clinical disorders or settings where the test may be helpful
Free triiodothyronine (T3) is a second- or third-level test of thyroid function; it provides further confirmation of hyperthyroidism, supplementing the tetraiodothyronine (T4), sensitive thyrotropin (sTSH), and total T3 assays
Evaluating clinically euthyroid patients who have an altered distribution of binding proteins
Monitoring thyroid hormone replacement therapy
Method Name A short description of the method used to perform the test
Immunoenzymatic Assay
NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.
Yes
Reporting Name Lists a shorter or abbreviated version of the Published Name for a test
T3 (Triiodothyronine), Free, S
Aliases Lists additional common names for a test, as an aid in searching
Free T3 (Triiodothyronine)
FT3 (Free Triiodothyronine)
T3 (Triiodothyronine), Free, Serum
Triiodothyronine, Free
Free T3 Only, Serum
FT3 (Free Triiodothyronine)
T3 (Triiodothyronine), Free, Serum
Triiodothyronine, Free
Free T3 Only, Serum