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Watermelon (rf329) IgE
Test Code30755Z
Preferred Specimen
0.3 mL serum
Minimum Volume
0.15 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 14 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Immunoassay (IA)
FDA Status
Allergens denoted with a "**" include results using one or more analyte specific reagents. In those cases, the test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
Setup Schedule
Set up: Mon-Sat; Report available: 1-3 days
Clinical Significance
Watermelon may uncommonly induce symptoms of food allergy in sensitized individuals. Allergic reactions include oral allergy syndrome or oropharyngeal symptoms (itching and/or swelling of the lips, tongue, or throat), urticaria, dermatitis, angioedema, and dyspnea. Allergens produced by watermelon are an important cause of IgE-mediated sensitization. The presence of allergen specific IgE antibodies in serum of a patient is highly predictive of the likelihood that the individual will exhibit immediate hypersensitivity upon exposure to the allergen.