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Free Thyroxine Index (T7)

Test Code
FTI


CPT Codes
84436, 84479

Includes
Thyroxine, Total; T-Uptake


Preferred Specimen
1.0 mL serum.


Transport Container
Serum separator tube/Gold top tube.


Transport Temperature
Room temperature.


Methodology
Calculation

Reference Range
1.3-4.2




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.