C4a Level by RIA

Test Code
14072


Preferred Specimen
0.5mL Plasma; K2 Lavender-top EDTA Tube
--OR--
1.5mL Plasma; K2 Lavender-top EDTA Tube


Methodology
Radioimmunoassay



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.