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Watermelon (rf329) IgE
Test Code30755Z
CPT Codes
86003
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)
Setup Schedule
Set up: Mon-Sat; Report available: 2-4 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.
