1502
C4
Order Code: 1502
Get Requisition Form
Test Information
C4 levels may be useful in distinguishing systemic activation of the classical versus alternative complement pathways.
Also Known As
- aHUS
- C4
- Complement Protein
- Compliment Protein 4
Disease State
Atypical Hemolytic Uremic Syndrome
Test Type
Functional/Serologic Test
Sample Notes
Serum (Red Top - no serum separator)
Requested Volume
Two 2 ml aliquots
Minimum / Pediatric Volume
One 2 ml aliquot
Additional Sample Information
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
Frozen
CPT Codes
- 86160
Method
ELISA
Turnaround Time
7-10 days
New York State Approval
No
DEX Z-Code™
No