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CU Index
Test CodeCUI
Alias/See Also
Chronic Urticaria Index
CPT Codes
86352
Preferred Specimen
5.0 mL of whole blood (2.5 mL of serum)
Minimum Volume
3.0 mL of whole blood (1.5 mL of serum)
Instructions
Patients taking Calcineurin inhibitors or prednisone should talk to their provider about taking these medications before testing. Samples must be centrifuged and frozen within 2 hours of collection.
Transport Container
Serum seperator (gold top) or No additive red-top
Transport Temperature
Frozen
Specimen Stability
Room Temperature: <2 hours
Refrigerated: <2 hours
Frozen: >1 week
Refrigerated: <2 hours
Frozen: >1 week
Methodology
Ex Vivo Challenge, Cell Culture, and Histamine Analysis
Setup Schedule
Monday, Wednesday, Friday
Report Available
Reports available 2 to 3 business days from receipt of specimen by Viracor IBT Laboratories.
Performing Laboratory
Viracor IBT Laboratories
