Location out of bounds
Back to Test Catalog


Order Code: 1501

Test Information

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.

Sample Requirements

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.

Shipping Information


Requested Volume

Two 2 ml aliquots

Minimum/Pediatric Volume

One 2 ml aliquot

CPT Codes




Turnaround Time

7-10 days

This test is performed at Cincinnati Children's Hospital and Medical Center


This website uses cookies to ensure you get the best experience on our website. Learn more