IgE Receptor Antibody
Test Code
CD203
Description
Collect
One 4 mL Serum Separator Tube or 4 mL Red top tube.
Pediatric Collection
Minimum volume: 0.5 mL
Unacceptable Conditions
Grossly hemolyzed specimens
Storage Transport Temp
Frozen. Send serum Priority Overnight via FedEx and in a well insulated container on dry ice.
Stability
48 hours ambient. 7 days refrigerated, 1 year at -20°C or below. Avoid repeated freeze thaw cycles.
Performed
Once per week
Methodology
Flow Cytometry
Turnaround Time
7-9 business days
Department
Immunology Lab - Diagnostic
Synonyms
Chronic Urticaria (Anti-IgE Receptor Ab);FC Epsilon (Anti-IgE Receptor Ab);CU (Anti-IgE Receptor Ab);Hives (Anti-IgE Receptor Ab);Urticaria (Anti-IgE Receptor Ab);CD203c (Anti-IgE Receptor Ab);Basophil Degranulation assay (Anti-IgE Receptor Ab);IGERAB (Anti-IgE Receptor Ab);IGERAB; cd203c; igerab; basophil degranulation; bhr; cd203a
Study Offerings
RUO
CAP/CLIA
Reference Interval
<13%
Interpretation
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.
CPT Code
88184, 88185x2
New York Approved
No: Run with Waiver
FDA
LDT