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Serum Immunoglobulin Allergy Screening Profile (IgE-specific)

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

This test measures levels of Immunoglobulin E (IgE), a protein in your blood linked to allergic reactions. It helps identify potential allergens you may be sensitive to.

Quick summary

["IgE levels can signal allergic responses to common triggers like foods, pollen, or environmental irritants."]

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

Key facts at a glance

LOINC
37989-1
Short code
Inhalant Allerg Mix 8 IgE Ql
Synonyms
Inhalant Allerg Mix 8 IgE Ql
Category
coagulation
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 This Test Measures

IgE is part of your immune system’s response to allergens. Elevated IgE levels may indicate an allergic reaction to specific substances, such as certain foods, dust mites, pet dander, or insect stings. This test screens for IgE antibodies against multiple common allergens.

How the Test Works

Blood is drawn and analyzed using immunoassay methods to detect IgE antibodies against a mix of allergens. Results help determine if you have an allergic sensitivity to any of the tested substances.

Why It’s Done

Doctors may recommend this test if you have symptoms like sneezing, itching, hives, or difficulty breathing that suggest allergies. It can also guide allergy testing or treatment plans.

What to Expect Before the Test

No special preparation is needed. You may eat and drink normally, but inform your healthcare provider about any medications you’re taking, as some can affect test results.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Elevated IgE levels may indicate an allergic reaction to specific allergens, but they don’t confirm a diagnosis alone. Results can help narrow down potential triggers and support further testing, such as skin prick tests or elimination diets.

Short name

IgE Allergy Screen

Frequently asked questions

How long does it take to get results?
Results are typically available within 1–3 business days, depending on lab processing times.
What does a positive result mean?
A positive result suggests you may have an allergic reaction to one or more of the tested allergens, but it doesn’t confirm the exact cause. Follow-up testing or consultation with an allergist may be needed for further evaluation.
Can I take allergy medication before the test?
Yes, you can take prescribed allergy medications, but avoid antihistamines that might affect IgE detection unless instructed otherwise by your healthcare provider.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

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