V571

Test CODE NAME

V571

Chronic Urticaria (CU) Index

Methodology: Ex-Vivo Challenge and cell culture
Performed: Mon, Wed, Fri
Reported: 3-5 days
Specimen Required: Patient Preparation: 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 
Collect: Serum Separator Tube (SST). 
Specimen Preparation: Allow specimen to clot completely at room temperature . Separate serum from cells ASAP or within 2 hours of collection. 
Storage/Transport Temperature: Room Temperature. 
Stability: After separation of cells: Room Temperature: 1 week , Frozen: 1 month 
NOTE: * This test is approved for all states. * 

Performing Lab 
Viracor - IBT
CPT Code(s): 86352