ImmunologyAllergy & Immunology

Allergy Profile (Veg, Non-Veg, Inhalants) + Total IgE

Normal Range
Total IgE: < 100 kU/L; Specific IgE: < 0.35 kU/L
Sample Type
Serum
Fasting
No
Unit
kU/L

Function

This comprehensive allergy profile measures the level of Immunoglobulin E (IgE) antibodies in the blood. It includes 'Total IgE,' which represents the overall state of allergic sensitization, and 'Specific IgE' for various panels (Vegetarian foods, Non-Vegetarian foods, and Inhalants like pollen, dust, or dander). IgE is the antibody responsible for Type I hypersensitivity reactions.

Why it is Ordered

This test is ordered for individuals suffering from chronic symptoms that suggest an allergic origin, such as:

  • Persistent sneezing, runny nose, or itchy eyes (Allergic Rhinitis).
  • Chronic hives (Urticaria) or eczema.
  • Gastrointestinal distress after eating specific foods.
  • Shortness of breath or wheezing (Allergic Asthma).

Associated Conditions

  • Atopic Dermatitis: Chronic skin inflammation driven by allergens.
  • Allergic Asthma: Airway constriction triggered by environmental inhalants.
  • Anaphylaxis Risk: Identifying high levels of specific IgE helps assess the risk of life-threatening reactions to foods like nuts or shellfish.
  • Allergic Rhinitis: Seasonal or perennial allergies to pollen or mold.

Understanding the Panels

  • Inhalants: Tests for sensitivity to dust mites, pet dander, molds, and various grasses/trees.
  • Food Panels: Screens for common proteins in vegetables, grains, meats, and seafood that trigger immune responses.

Panel Components

This test is a profile comprising the following specific markers:

Why Context Matters

A positive IgE test indicates 'sensitization,' but not necessarily a clinical allergy. Many people have specific IgE antibodies for a food they can eat without symptoms. Total IgE can also be elevated by parasitic infections, smoking, or certain rare immunodeficiencies, unrelated to common allergies. Furthermore, taking systemic corticosteroids can suppress IgE levels, potentially masking a true allergy.

Lab ranges are statistical averages, not biological laws. "Normal" for a 20-year-old male isn't normal for a 60-year-old female.

Clinical References

Source-of-truth databases and clinical guidelines for Allergy Profile (Veg, Non-Veg, Inhalants) + Total IgE:

Related Indicators

DR

Medically Reviewed by Dr. Binoy Babu, MBBS

Board Certified Doctor • 10+ Years Clinical Experience

Dr. Babu is a practicing physician dedicated to empowering patients with clear, actionable medical information. He founded 2opi to bridge the gap between complex lab reports and patient understanding, ensuring everyone has access to a reliable second opinion.

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