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Test ID FIERA IgE Receptor Antibody

Specimen Required


Preferred: Red top tube

Acceptable: Serum gel tube

Specimen Volume: 1.0 mL

Collection 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.

Useful For

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.

Method Name

Flow Cytometry

Reporting Name

IgE Receptor Antibody

Specimen Type


Specimen Minimum Volume

0.5 mL

Specimen Stability Information

Specimen Type Temperature Time Special Container
Serum Frozen (preferred) 365 days
  Refrigerated  7 days
  Ambient  48 hours

Reference Values


Day(s) Performed

Monday, Thursday

Report Available

11 to 14 days

Performing Laboratory

National Jewish Health

Test Classification

This test uses a kit/reagent designated by the manufacturer as "for research use, not for clinical use" as well as one or more reagents classified as an analyte specific reagent (ASR). The performance characteristics of this test have been validated by Advanced Diagnostic Laboratories at National Jewish Health. It has not been cleared or approved by the US Food and Drug Administration. The results are not intended to be used as the sole means for clinical diagnosis or patient management decisions. This laboratory is certified under the Clinical Laboratory Improvement Amendments of 1988 (CLIA-88) as qualified to perform high complexity clinical laboratory testing.

CPT Code Information


88185 x 2

LOINC Code Information

Test ID Test Order Name Order LOINC Value
FIERA IgE Receptor Antibody Not Provided


Result ID Test Result Name Result LOINC Value
Z5810 CD203c (Percent of Basophils) Not Provided
Z5811 Interpretation: Not Provided