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C2 / 161414L
C2 (COMPLEMENT COMPONENT C2), ANTIGEN, SERUM

Test Code C2 / 161414L 
Test C2 (COMPLEMENT COMPONENT C2), ANTIGEN, SERUM 
Methodology Immunologic Quantitation by Radial Immunodiffusion (RID) 
Description Useful in the assessment of patients with hereditary deficiency of this component or with acquired decrease in its level

INVESTIGATIONAL USE ONLY
NOTE:
Third party billing IS NOT AVAILABLE for this test. When ordered on Medicare patients, a properly executed Advance Beneficiary Notice (ABN) must be submitted with the specimen. 

Specimen Draw blood in a plain, red-top tube. Place tube in an ice bath following venipuncture until centrifuged. Centrifuge in a refrigerated centrifuge, if possible, then immediately transfer 2.0 mL (minimum volume 0.1 mL) of serum to a plastic, screw-capped vial. Freeze specimen immediately and send specimen FROZEN. 
Reference Values 1.6 - 4.0 mg/dL 
Analytic Time 5 Days 
Day(s) Test Set Up Monday, Friday 
CPT Code(s) 86160