Thyroid Profile

Thyroid Profile

CPT Test code: 84436;84479

Related Documents:
Test Includes: Free thyroxine index; T3 uptake (THBR); thyroxine (T4)
Specimen: Serum
Volume: 1 mL
Minimum Volume: 0.5 mL (Note: This volume does not allow for repeat testing.)
Container: Red-top tube or gel-barrier tube
Collection: If a red-top tube is used, transfer separated serum to a plastic transport tube.
Storage Instructions: Refrigerate
Use: FTI is a physiologic index of metabolic activity that correlates with free thyroxine (T4)