Test ID: T3
T3 (Triiodothyronine), Total, Serum
Secondary ID 
A test code used for billing and in test definitions created prior to November 2011
8613
NY State Approved Indicates the status of NY State approval and if the test is orderable for NY State clients.
Yes
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 T4 levels
Diagnosis of T3 toxicosis
Testing Algorithm Delineates situation(s) when tests are added to the initial order. This includes reflex and additional tests.
See Thyroid Function Ordering Algorithm in Special Instructions.
Special Instructions and Forms Describes specimen collection and preparation information, test algorithms, and other information pertinent to test. Also includes pertinent information and consent forms to be used when requesting a particular test
Method Name A short description of the method used to perform the test
Immunoenzymatic Assay
Reporting Name A shorter/abbreviated version of the Published Name for a test; an abbreviated test name
T3 (Triiodothyronine), Total, S
Aliases Lists additional common names for a test, as an aid in searching
T3 (Triiodothyronine), Total Only, Serum (Order 8613 unless specified)
T3 Suppression
T3 Total, Serum
Thyroid Function Cascade ORDER 80683
Total T3, Serum
Triiodothyronine (ORDER 8613 if not specified)
Triiodothyronine (T3)
Triiodothyronine, Total T3
T3 Suppression
T3 Total, Serum
Thyroid Function Cascade ORDER 80683
Total T3, Serum
Triiodothyronine (ORDER 8613 if not specified)
Triiodothyronine (T3)
Triiodothyronine, Total T3
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