IgE Receptor Antibody

Message

Sendout, Mayo test code: FIERA (performed at National Jewish Health)

Test Code

LAB5210304

Alias/See Also

Basophil Degranulation assay (Anti-IgE Receptor Ab)
basophil degranulation
bhr
cd203a
cd203c
CD203c (Anti-IgE Receptor Ab)
Chronic Urticaria (Anti-IgE Receptor Ab)
CU (Anti-IgE Receptor Ab)
FC Epsilon (Anti-IgE Receptor Ab)
Hives (Anti-IgE Receptor Ab)
IGERAB
IFERAB (Anti-IgE Receptor Ab)
Urticaria (Anti-IgE Receptor Ab)
FIERA

CPT Codes
88184, 88185 x 2

Preferred Specimen

1 mL serum from a red tube

Minimum Volume

0.5 mL

Other Acceptable Specimens

Serum separator tube (SST)

Instructions

Draw blood in a plain, red-top tube(s) or serum gel tube(s). Separate serum from cells immediately by centrifugation and aliquot in a polypropylene or similar plastic tube. Send 1 mL of serum frozen in plastic vial.

Transport Container

Plastic vial

Transport Temperature

Frozen

Specimen Stability

Frozen (preferred): 365 days
Refrigerated: 7 days
Ambient: 48 hours

Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)

Hemolysis: Mild OK; Gross reject
Lipemia: NA
Icterus: NA
Other: NA

Methodology
Flow Cytometry

FDA Status
Approved

Setup Schedule

Monday, Thursday

Report Available

11-14 days

Reference Range

Included with report

Clinical Significance

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.

Performing Laboratory
National Jewish Health

Additional Information
IgE Receptor Antibody

The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.