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Register NowComplement C2 (161414)
Create a Free Account to View PricesTurnaround Time: 8 - 11 days
CPT Code:
86160
Test Type: 2 mL Serum
Stability Time:
|
Temperature |
Period |
|---|---|
|
Room temperature |
12 days |
|
Refrigerated |
12 days |
|
Frozen |
12 days |
|
Freeze/thaw cycles |
Stable x3 |
Reference Range:
1.4-3.3 mg/dL
Overview:
Assess patients with hereditary deficiency of this component or acquired decrease in its level which may be seen due to hypercatabolism in hereditary angioneurotic edema, or consumption or loss as in vasculitides, glomerulonephritides, immune complex diseases. C2 deficiency is the most common complement deficiency (1 in 10,000) and is associated with SLE.
Results of this test are labeled for research purposes only by the assay's manufacturer. The performance characteristics of this assay have not been established by the manufacturer. The result should not be used for treatment or for diagnostic purposes without confirmation of the diagnosis by another medically established diagnostic product or procedure. The performance characteristics were determined by LabCorp.
Deficiencies of C1 components, C2 and C4 are associated with rheumatic diseases, including lupus, vasculitis, and dermatomyositis. Some individuals with deficiency may have no evidence of disease. The most common complement deficiency is C2, which is a homozygous abnormality in 1 in 10,000 to 40,000 individuals, and is heterozygous in 1% to 2% of the general population. Patients with C2 deficiency and lupus often have negative or low titer ANA.
Collection Details:
Collection Instructions:
Red-top tube or gel-barrier tube.
Separate serum from cells.
Room temperature.