The test detects functional autoantibodies to the Fc-epsilon receptor (high affinity IgE receptor), or to IgE, and is useful in the evaluation of chronic urticaria.
Immediately following collection, mix sample by gently inverting 5 times
Frozen (preferred) - 30 days
Refrigerated - 7 days
Ambient - 48 hours
Grossly hemolyzed specimens
Flow Cytometry
< 13%