Test Code IGERAB IgE Receptor Antibody
Specimen Required
Container/Tube:
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 into a polypropylene or similar plastic tube. Send 1 mL of serum frozen in plastic vial.
Complete and submit with specimen:
1. National Jewish Immunology Diagnostics request form.
2. Patient's date of birth is required on the National Jewish Immunology Diagnostics request form
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 AntibodySpecimen Type
SerumSpecimen 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 |
Reject Due To
Hemolysis | Mild OK; Gross reject |
Lipemia | NA |
Icterus | NA |
Other | NA |
Reference Values
0 - 12
Day(s) and Time(s) Performed
Monday, Thursday
Analytic Time
7 - 9 daysPerforming Laboratory
National Jewish HealthTest 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
88184
88185 x 2
LOINC Code Information
Test ID | Test Order Name | Order LOINC Value |
---|---|---|
FGERA | IgE Receptor Antibody | Not Provided |
Result ID | Test Result Name | Result LOINC Value |
---|---|---|
Z5123 | Basophils (%), CD203c | Not Provided |
Z5124 | Interpretation: | Not Provided |
NY State Approved
YesComputer Interface Code
PDM # 5905820