T3 Reverse

Test Code
LAB138


CPT Codes
84482

Preferred Specimen
Red no-additive no-gel


Minimum Volume
0.3 mL


Instructions
Allow blood to clot at room temperature for 30 minutes. Centrifuge and separate the serum from cells immediately. Alternatively, collect blood in a gel barrier tube, allow to clot at room temperature, centrifuge, and remove from gel within 24 hours.


Transport Temperature
Room Temperature


Specimen Stability
Room temperature: 7 days
Refrigerated: 7 days
Frozen: 30 days


Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)



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.