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Also reported in: kU/L, IU/L
Your total IgE is in the normal range. This is a reassuring result for systemic allergic disease. Atopic conditions (hay fever, eczema, asthma) are less likely to be IgE-mediated at this level.
Your total IgE is undetectable. IgE is the main antibody class involved in allergic reactions. An undetectable level indicates no detectable atopic immune response and makes IgE-mediated allergic conditions very unlikely. Very low IgE can also be seen in certain immunodeficiency conditions.
No action needed in the allergy context. If you have recurrent infections or immune concerns, discuss with your doctor.
Total IgE undetectable — no detectable IgE productionYour total IgE is within the normal reference range. This indicates no significant systemic IgE-mediated allergic sensitization. A normal total IgE does not completely rule out specific IgE allergies, which require targeted allergen-specific IgE testing.
No action needed. If you have specific allergy symptoms, specific IgE testing for relevant allergens is more informative.
Total IgE within normal reference range — no evidence of elevated atopic responseYour total IgE is in the low-normal range. This indicates minimal systemic IgE-mediated immune activation. People with low total IgE are generally at lower risk of atopic conditions like asthma, eczema, and allergic rhinitis.
No action needed.
Total IgE: low-normal — minimal systemic atopic responseYour total IgE is in the normal range. This is a reassuring result for systemic allergic disease. Atopic conditions (hay fever, eczema, asthma) are less likely to be IgE-mediated at this level.
No specific action required.
Total IgE within reference range — acceptable IgE levelYour total IgE is in the optimal range, reflecting very low systemic IgE production and minimal allergic sensitization.
No action needed.
Total IgE: optimal — very low systemic allergy burdenYour total IgE is mildly above the reference range. Elevated total IgE is associated with atopic conditions (asthma, eczema, allergic rhinitis), parasitic infections, and certain immunodeficiency syndromes. Mild elevation is common in atopic individuals.
Discuss with your doctor. Specific IgE testing for suspected allergens (food, environmental) and clinical allergy evaluation are recommended. Parasitic infection screening should be considered if relevant.
Total IgE 100–400 IU/mL — borderline elevated; atopic sensitization possibleYour total IgE is significantly elevated, indicating substantial IgE-mediated immune activation. This level is associated with moderate-to-noticeable atopic disease (asthma, eczema, allergic rhinitis), helminthic parasitic infections, or hyper-IgE syndrome. Specific allergen identification is important for management.
Seek allergy/immunology or clinical immunology referral. Comprehensive allergen-specific IgE panel, clinical assessment, and parasitic infection screening are recommended.
Total IgE >400 IU/mL — elevated; significant atopic sensitization or parasitic infectionYour total IgE is critically elevated. Very high total IgE is associated with noticeable atopic disease (noticeable asthma, noticeable eczema), hyper-IgE syndrome (Job's syndrome), allergic bronchopulmonary aspergillosis (ABPA), parasitic infections, or certain malignancies (T-cell lymphoma). Urgent evaluation is required.
Seek urgent allergy/immunology specialist evaluation. Comprehensive immune assessment, chest imaging, parasitology testing, and a targeted IgE panel are needed. This level may indicate a serious underlying condition beyond typical allergy.
Total IgE >1000 IU/mL — critically elevated; noticeable atopic disease or systemic allergic conditionUpload your lab report and get your actual values interpreted in plain English — instantly, with no medical training required.