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Peanut Component Blood Test Panel

The Peanut Component Blood Test Panel measures the IgE antibody levels in the blood to screen for an allergy to certain proteins found in peanuts.


Test Code: 605971

CPT Code: 86008(x6)

Also Known As: Groundnut; Arachis hypogaea

Methodology:

Thermo Fisher ImmunoCAP®

Preparation:

No special preparation is required.

Test Results:

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


Test Code: 91681

CPT Code: 86008(x5)

Also Known As: Groundnut; Arachis hypogaea

Methodology:

Immunoassay (IA)

Preparation:

No special preparation is required.

Test Results:

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

Description

The Peanut Component Blood Test Panel includes:

  • Ara h 1 (f422)
  • Ara h 2 (f423)
  • Ara h 3 (f424)
  • Ara h 6 (f447)
  • ⁠⁠⁠⁠⁠⁠⁠Ara h 8 (f352)
  • Ara h 9 (f427)

 

What is being tested?

Order this Peanut Component Blood Test Panel to measure the IgE antibody levels in the blood to screen for an allergy to certain proteins found in peanuts. Peanuts are a common food allergen in the United States, making up 1.8% of food allergy cases. Although peanuts are not classified as nuts (they are legumes), they contain similar proteins to tree nuts. Therefore, individuals allergic to peanuts may also be allergic to tree nuts, like almonds, pecans, walnuts, hazelnuts, Brazil nuts, and cashews. Most food allergies develop in childhood. Some individuals outgrow them over time, but many suffer from lifelong allergies, especially to peanuts and tree nuts. 

 

Consuming peanuts or their products may activate an individual's immune system response. The key allergens in peanuts are the proteins: Ara h 1, 2, 3, 6, 8, & 9. Once ingested, the immune system will view these proteins as harmful and produce antibodies to combat these invaders. Unfortunately, these antibodies cause a chemical known as histamine to be released, triggering an allergic reaction. 

 

When should I order a Peanut Component Blood Test Panel?

Individuals may order this test panel if they have experienced symptoms associated with a peanut allergy. An allergic reaction to peanuts may range from mild to severe, depending on the individual. An individual may experience allergic reactions minutes to a few hours after exposure. An individual allergic to peanuts may experience the following symptoms:

  • Tingling sensation in or around the mouth
  • Swelling 
  • Abdominal pain
  • Nausea or vomiting
  • Diarrhea
  • Itching, hives, or eczema
  • Congestion
  • Trouble breathing or wheezing
  • Lightheadedness

 

A severe, possibly life-threatening allergic reaction known as anaphylaxis may occur in some cases. An anaphylactic response requires immediate medical attention. Signs or symptoms of anaphylaxis may include:

  • Rapid or increased pulse
  • Swollen throat or lump, making it difficult to breathe
  • Low blood pressure
  • Extreme dizziness or loss of consciousness

 

What foods should I avoid if I have a peanut allergy?

Individuals allergic to peanuts should avoid consuming the following foods:

  • African, Asian, Mediterranean, and other cuisines
  • Baked goods (cakes, cookies, pies, and bread)
  • Candy and other sweets (frozen desserts)
  • Cereals 
  • Certain pre-packaged salads 
  • Certain vegan dishes
  • Granolas, energy bars, and trail mixes
  • Nut butters and oils
  • Salad dressings, sauces, and marinades
  • Soups, stews, and chillis

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