The complement system is critical to the inflammatory response. C1q concentrations may be decreased in patients with acquired angioedema, immune complex induced vasculitis, and concurrent low concentrations of C1 inhibitor, carcinoma, or lymphoma.
Separate serum within one hour of draw time and refrigerate. Can be
drawn in gel barrier tube but needs to be separated within one hour
from time drawn.
Reported (Analytical Time)
The CPT codes provided are based on AMA guidelines and are for informational purposes only.
CPT coding is the sole responsibility of the billing party.
Please direct any questions regarding coding to the payer being billed.
Reject Criteria: Gross hemolysis; grossly lipemic Transport Temperature: Refrigerated