TEST CATALOG ORDERING & RESULTS SPECIMEN HANDLING CUSTOMER SERVICE EDUCATION & INSIGHTS
Test Catalog

Test ID: T3    
T3 (Triiodothyronine), Total, Serum

Useful For Suggests clinical disorders or settings where the test may be helpful

Second-order testing for hyperthyroidism in patients with low thyroid-stimulating hormone values and normal thyroxine levels

 

Diagnosis of triiodothyronine toxicosis

Testing Algorithm Delineates situations when tests are added to the initial order. This includes reflex and additional tests.

See Thyroid Function Ordering Algorithm in Special Instructions.

Special Instructions Library of PDFs including pertinent information and forms related to the test

Method Name A short description of the method used to perform the test

Electrochemiluminescence Immunoassay

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), Total, S

Aliases Lists additional common names for a test, as an aid in searching

T3 Suppression
T3 Total, Serum
Total T3, Serum
Triiodothyronine (T3)
Triiodothyronine, Total T3
T3 (Triiodothyronine), Total Only, Serum (Order T3 unless specified)
Thyroid Function Cascade
Triiodothyronine (Order T3 if not specified)