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Serum Immunoglobulin E (IgE) Quantification with Allergen-Specific Screening Panel

Published: August 9, 2026Updated: August 16, 2026

This test measures levels of Immunoglobulin E (IgE), a protein in your blood that your immune system produces in response to allergens like pollen, dust, or certain foods. It includes screening for multiple common allergens.

Quick summary

["Assessing potential allergies to common triggers through blood testing."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
24493-9
Short code
Weed Allerg Mix2 IgE Qn
Synonyms
Weed Allerg Mix2 IgE Qn
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Method
multidisk
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What IgE Measures

IgE is part of your immune system’s defense against allergens. When your body encounters an allergen, it may produce IgE to help identify and respond to it. This test specifically looks at IgE levels tied to common allergens, helping identify which substances you may react to.

Why This Test Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like sneezing, itching, hives, or difficulty breathing that suggest an allergic reaction. It can also be used to confirm allergies suspected through skin prick tests or other methods.

How the Test Works

A blood sample is taken from a vein in your arm. The sample is then analyzed to detect IgE antibodies specific to various allergens, such as pollen, pet dander, or food proteins. The results help determine if you have an allergic reaction to these substances.

Preparation for the Test

No special preparation is needed for this test. You may eat and drink normally before your appointment. If you are on certain medications, let your healthcare provider know, as some may affect test results.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

IgE Allergen Mix Screen

Frequently asked questions

IgE levels can rise in response to allergens, helping diagnose allergic conditions like hay fever, asthma, or food allergies. Elevated IgE levels may indicate an overactive immune response to specific triggers, guiding treatment plans such as allergy immunotherapy or avoiding known allergens.
This test helps identify which allergens you may react to, allowing your healthcare provider to tailor treatments like allergy shots, medications, or dietary adjustments.
What do elevated IgE levels mean?
Elevated IgE levels suggest an allergic reaction to certain substances. However, they do not always indicate a severe allergy. Your healthcare provider will interpret the results in the context of your symptoms and other tests.
Can I get this test at home?
This test is typically performed in a clinical laboratory using a blood sample drawn at a healthcare facility. Home-based tests for IgE allergies are available but are less comprehensive and should be discussed with your provider first.
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy