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C1EST / 004648L
C1 ESTERASE INHIBITOR ANTIGEN, SERUM

Test Code C1EST / 004648L 
Test C1 ESTERASE INHIBITOR ANTIGEN, SERUM 
Methodology Immunologic, quantitative 
Description Useful in the quantitative measurement of C1 Esterase Inhibitor, which may be decreased in hereditary angioneurotic edema. 
Specimen Draw blood in a serum-gel tube or plain red-top tube. Separate serum from cells within one hour after collection. Send 1.0 mL (minimum 0.5 mL) of serum refrigerated in a plastic, screw-capped plastic vial.
Note: Avoid hemolysis. 
Reference Values 21 - 39 mg/dL 
Analytic Time 2 Days 
Day(s) Test Set Up Monday, Wednesday, Friday 
CPT Code(s) 86160