Free Thyroxine Index

Test Code
FTI


Alias/See Also
FTI


Includes
T3 Uptake, Thyroxine level


Preferred Specimen
1 mL serum


Minimum Volume
0.5 mL


Transport Container
Original collection vial


Transport Temperature
Refrigerated (cool packs)


Specimen Stability
Refrigertaed: 7 days


Setup Schedule
24/7


Report Available
Same day


Performed By
Quest Diagnostics DEMO


Last Updated: April 14, 2017


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.