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T4, Total

Message
Day(s) Test Set Up: Monday, Wednesday and Friday.


Test Code
T4


CPT Codes
84436

Preferred Specimen
1.0 mL plasma


Instructions
Spin down.


Transport Container
PST tube


Transport Temperature
Refrigerated


Methodology
Chemiluminescence

Reference Range
5.53-11.0 µg/dL


Clinical Significance
In most patients, the total T4 concentration is a good indicator of thyroid status.



Last Updated: January 30, 2013


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.