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CUIND / 2103-I
CHRONIC URTICARIA INDEX

Test Code CUIND / 2103-I 
Test CHRONIC URTICARIA INDEX 
Methodology Cell Culture and Enzyme Immunoassay 
Description Useful for monitoring patients with a chronic form of urticaria who are positive (> 10) with the CU index® have an autoimmune basis for their disease. A positive result does not indicate which autoantibody (anti-IgE, anti-FceRI or anti-FceRII) is present. 
Specimen Draw blood into a serum separator tube. Spin down and send 1.0 mL (minimum: 0.15 mL) of serum refrigerated in a screw-capped, plastic vial.

NOTE: Patients taking calcineurin inhibitors should stop their medication for 72 hours prior to draw. Patients taking prednisone should be off their medication for 2 weeks prior to draw. 

Reference Values < 10.0 
Analytic Time 2-3 Days 
Day(s) Test Set Up Monday Wednesday and Friday 
CPT Code(s) 86352