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

Message
Day(s) Test Set Up: Monday through Sunday


Test Code
FT4


CPT Codes
84439

Preferred Specimen
1.0 mL serum


Instructions
Spin down


Transport Container
SST tube


Transport Temperature
Refrigerated


Methodology
Chemiluminescence

Reference Range
0.78-2.19 ng/dL


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



Last Updated: November 3, 2010


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.