Allergy Profile / Food Allergy Test

Allergy Profile / Food Allergy Test

Allergy Testing

The Allergen Profile, or Food Allergy Test, measures an individual's immune response to common food allergens. This test is essential for determining food allergies, intolerances, or sensitivities and monitoring changes in allergic reactions over time; by quantitatively assessing specific IgE responses to 15 widely recognized allergens, the test aids in diagnosing food allergies in conjunction with clinical evaluations.

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What is the Allergen Profile?

An allergen profile measures the immune response to specific food allergens through an allergen-specific IgE panel. It helps identify food allergies, intolerances, and sensitivities.

Test Components:

This IgE panel quantitatively measures responses to the following 15 common food allergens:

  • Almond
  • Cashew nut
  • Codfish
  • Cow's milk
  • Egg white
  • Hazelnut
  • Peanut
  • Salmon
  • Scallop
  • Sesame seed
  • Shrimp
  • Soybean
  • Tuna
  • Walnut
  • Wheat

Clinical Relevance:

  • The test results should be interpreted alongside clinical history and physical examination findings.
  • A positive IgE test indicates sensitization to a food but does not confirm a food allergy; many sensitized individuals may not exhibit symptoms upon ingestion.

Comparison with Skin Testing:

  • While allergen-specific serum IgE testing is often comparable to skin testing, it may be preferred in situations such as:
  • Presence of widespread skin disease
  • Recent use of antihistamines affecting skin test results
  • Uncooperative patients
  • Medical histories suggesting a risk of severe allergic reactions with skin tests

Sensitivity and Specificity:

  • Food-specific IgE tests are highly sensitive. However, they should not replace a comprehensive clinical evaluation conducted by a trained medical provider for diagnosing food allergies.

Monitoring and Follow-Up:

  • The test is also useful for monitoring the progression or improvement of food allergies over time, providing valuable information for dietary management and treatment options.


Why would I need an Allergy Profile / Food Allergy Test?
An Allergen Profile, Food Test may be recommended for several reasons, including: Identifying food allergies: Diagnose suspected food allergies if you have experienced hives, swelling, abdominal pain, nausea, vomiting, diarrhea, wheezing, or anaphylaxis after eating certain foods. Evaluating food sensitivity: To determine if foods are causing chronic symptoms such as eczema, asthma, or gastrointestinal issues. Monitoring known food allergies: To assess the severity of an existing food allergy and monitor how it may change over time. Guiding elimination diets: The test helps identify which foods to avoid during an elimination diet or when reintroducing foods back into the diet to see if symptoms return. Family history of allergies: If there is a family history of food allergies, the test can be used as a preventive measure to check for potential food allergies in children or other family members.
What do the results of the Allergy Profile / Food Allergy Test Indicate?
Negative result: Indicates no detectable IgE antibodies for the foods tested, suggesting that these foods are unlikely to cause an allergic reaction. Positive result: Indicates the presence of IgE antibodies specific to certain foods. The level of antibodies can provide insight into the severity of the allergy: Low levels: This may indicate a mild or less severe sensitivity. Moderate to high levels Suggest a higher likelihood of a significant allergic reaction when exposed to the food.