T4 Direct Dialysis

Test Code
LAB2207


CPT Codes
84439

Preferred Specimen
Red no-additive no-gel


Minimum Volume
0.5 mL


Instructions
Please specify on the request form the patient's age.


Transport Temperature
Room Temperature


Specimen Stability
Room temperature: 4 days
Refrigerated: 14 days
Frozen: 35 days


Methodology
Equilibrium Dialysis • Chromatography/Mass Spectrometry



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.