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 #

FT4 w/ Reflex

Test Code
LAB5917 291


Alias/See Also
FT4O
FREE T4


CPT Codes
84439

Includes
THYROXINE (T4) FREE (NG/DL) IN SER/PLAS


Preferred Specimen
Serum


Instructions
Outpatient collection only


Transport Container
SST


Transport Temperature
Refrigerated


Reference Range
Reference range: 0.58-1.90 ng/dL


Performing Laboratory
MWH LAB SH LAB



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.