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Tree Nut and Peanut Allergy IgE Blood Test

The tree nut and peanut allergy IgE blood test measures the amount of allergen-specific IgE antibodies in the blood to detect an allergy to tree nuts and peanuts.

Sample Report

Test Code: 671926

Also Known As:

Methodology: Thermo Fisher ImmunoCAP®

Preparation: No special preparation required.

Test Results: 3-5 days. May take longer based on weather, holiday or lab delays.


Details:

This panel includes testing for:

  • Almond
  • Brazil Nut
  • Cashew Nut
  • Hazelnut
  • Peanut
  • Pecan
  • Walnut


Test Code: 7918

Also Known As:

Methodology: Immunoassay (IA)

Preparation: No special preparation required.

Test Results: 3-5 days. May take longer based on weather, holiday or lab delays.


Details:

This panel includes testing for:

  • Almond
  • Cashew Nut
  • Coconut
  • Hazelnut
  • Peanut
  • Pecan
  • Sesame Seed

Description

Order a tree nut and peanut allergy IgE blood test to detect an allergy to tree nuts and peanuts. This test measures the amount of allergen-specific antibodies in a blood sample. One of the most common types of food allergy in both children and adults is a nut allergy. The expression "nut allergy" can be misleading and confusing, as we tend to use it to describe an allergy to fruits of unrelated plants such as peanuts and nuts that grow on trees. Even though the word nut is in the name peanut, they are not nuts. Peanuts are legumes and grow underground, unlike tree nuts. While peanuts are not tree nuts, individuals with an allergy to peanuts have an allergic reaction similar to those with an allergy to tree nuts. 

Besides being one of the most popular food allergies, tree nuts and peanuts are an important food source worldwide. If an individual has an allergy to peanuts, it may be possible to also to be allergic to tree nuts. In addition, if an individual is allergic to one tree nut, it is likely they have an allergy to other tree nuts.

People with tree nut or peanut allergies should be careful to verify the food ingredients. Peanuts or tree nuts could be found in foods such as:

  • Baked goods: Cookies, pie crusts, candy, pastries, and others
  • Cereals and granola
  • Candy: Chocolate candy especially; also marzipan and nougat
  • High energy bars
  • Other sweets: Ice cream, puddings, hot chocolate, and frozen desserts
  • Honey
  • Trail mix
  • Grain breads
  • Chili and soups
  • Veggie burgers
  • International foods. Nuts are common ingredients in Asian and African cooking (especially Indian and Thai foods) and in Mediterranean and Mexican foods.
  • Salads and salad dressing
  • Sauces. These may include barbeque sauce, hot sauce, pesto, gravy, mole sauce, glazes, or marinades.

An allergy to both tree nuts and peanuts triggers a reaction in an individual's immune system. The body views certain substances as toxic and produces IgE antibodies to these contaminants. These antibodies cause histamine to be released, which will cause the symptoms of an allergic reaction.

Allergy symptoms vary from one individual to the next ranging from mild to severe reactions, which can be experienced within minutes to hours after consumption. Common symptoms of a tree nut or peanut allergy may include one or more of the following symptoms:

  • Coughing
  • Itching around the face or mouth
  • Stomach pain
  • Diarrhea
  • Nausea
  • Sneezing
  • Swelling lips
  • Puffy or runny eyes
  • Vomiting
  • Gravelly throat
  • Hives
  • Trouble breathing
  • Feeling faint
  • Difficulty swallowing

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