Plum, IgE, Serum
Use
This test is useful for establishing a diagnosis of an allergy to plum by identifying specific IgE antibodies. These antibodies are responsible for eliciting allergic responses and/or anaphylactic episodes. The test helps in confirming sensitization before immunotherapy and investigating the specificity of allergic reactions. The allergens chosen for testing often depend on patient age, history, allergen exposure, season, and clinical symptoms. In vitro serum testing for IgE antibodies provides an indication of the immune response to allergens that may be associated with allergic disease.
Special Instructions
For a listing of allergens available for testing, refer to the provided PDF document. If not ordering electronically, complete, print, and send the Allergens Test Request Form (T236) with the specimen.
Limitations
Testing for IgE antibodies is not useful in patients who have been previously treated with immunotherapy to determine if residual clinical sensitivity exists or in patients whose medical management does not depend on allergen specificity identification. False-positive results may occur in patients with markedly elevated serum IgE due to nonspecific binding. Some individuals with clinically insignificant sensitivity may have measurable levels of IgE antibodies.
FDA ApprovedNew York Approved
Methodology
Immunoassay (Fluorescence Enzyme Immunoassay (FEIA))
Biomarkers
LOINC Codes
- 6853-6
- 6853-6
Result Turnaround Time
1-3 days
Related Documents
For more information, please review the documents below
Specimen
Serum
Volume
0.5 mL for every 5 allergens requested
Minimum Volume
For 1 allergen: 0.3 mL
Container
Preferred: Serum gel; Acceptable: Red top; Submission: Plastic vial
Collection Instructions
Centrifuge and aliquot serum into a plastic vial.
Causes for Rejection
Gross hemolysis and gross lipemia are acceptable.
Stability Requirements
| Temperature | Period |
|---|---|
| Refrigerated | 14 days |
| Frozen | 90 days |