Decreased Factor H plasma levels (and/or mutations in Factor H) have been associated with a nmber of complement-mediated diseases, including 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.