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 (thyroxine), Total

Message
Performed in the Chemistry Laboratory, x5820
10.2018


Test Code
T4


CPT Codes
84436

Preferred Specimen
Plasma from a green top (PST) tube


Minimum Volume
1mL


Transport Container
Green Top (PST) tube


Transport Temperature
Room temperature


Specimen Stability
2 - 8 oC: 24 hours


Methodology
Chemiluminescent Microparticle Immunoassay

Setup Schedule
This assay is performed 24 hours per day, 7 days per week


Reference Range
4.5 - 10.9 ug/dL


Clinical Significance
This test is used to monitor metabolism regulation




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.