Order Code: FC4AL
CPT Code: 86160
Reference Laboratory: Mayo Medical Laboratories
Effective April X, 2021 MLabs will offer the C4a Level (FC4AL) test via Mayo Medical Laboratories.
Collection Instructions: Collect 6 mL of whole blood in a lavender top vacutainer. Centrifuge immediately after collection. Aliquot the plasma into a plastic vial and freeze. Ship specimen frozen.
Analytic Time: 21-44 days
Reference Range: 0 - 2830 ng/mL