A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

T4, Free

Test Code
T4F


CPT Codes
84439

Preferred Specimen
1.0 mL serum


Transport Container
Gold Top Tube/Serum Separator Tube.


Transport Temperature
Room temperature or refrigerate.


Methodology
Electrochemiluminescence

Reference Range
0.93-1.70 ng/dL


Clinical Significance
Used as an aid to the differential diagnosis of thyroid disease




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.