Specimen Requirements

Title

COMPLEMENT C2

Specimen Requirement

Draw blood in a plain red-top tube. Spin and separate within 1 hour of collection. send 1.0 mL serum refrigerated.

 

Methodology

Stability

Room temp 28 days;Refrigerated 28 days; Frozen 28 days

Reference Range

By report*

Turnaround

Performed Mon/Wed Reports in 6-10 days

Clinical Use

Assess patients with hereditary or acquired C2 complement deficiency due to hyper catabolism in hereditary angioneurotic edema, or loss as in vasculitis, glomerulonephritis, immune complex diseases. C2 deficiency is the most common complement deficiency (1 in 10,000) and is often associated with SLE.

Test Code

C2S