Complement protein 3 (C3) is the central component of the complement system. Complement activation is associated with consumption of C3. Reduced serum concentrations of C3 may be seen in some patients with aHUS.
Additional Test Information
Serum (Red Top - no serum separator)
Additional Sample Requirements
Sample should be spun down, taken off the clot, and frozen within 2 hours of draw. Send on dry ice. Frozen serum stable up to 6 months. Avoid freeze/thaw cycles.