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Serum Immunoglobulin E (IgE) Profile with Allergen-Specific Testing (Screening Mix)

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

This blood test measures your body’s immune response to common allergens, including pollen, dust mites, pet dander, and certain foods. It helps identify specific triggers for allergic reactions.

Quick summary

["This test helps pinpoint potential allergens causing your symptoms for targeted treatment options."]

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

Key facts at a glance

LOINC
37988-3
Short code
Region Allerg Mix5 IgE Qn
Synonyms
Region Allerg Mix5 IgE Qn
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

Why This Test Is Done

Doctors may recommend this test if you have symptoms like sneezing, itching, rashes, or trouble breathing that suggest allergies. It’s often used alongside physical exams and patient history to guide diagnosis.

How the Test Works

Blood is drawn and tested for total IgE levels and specific antibodies against common allergens. The results help determine which allergens may be affecting you.

What to Expect Before the Test

No special preparation is needed. You may eat and drink as usual, but inform your doctor about any medications, especially blood thinners or steroids, that could affect results.

What the Results Mean

High IgE levels or positive reactions to specific allergens suggest an allergic response. These findings can guide allergy testing, immunotherapy (like allergy shots), or avoidance strategies.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

IgE Allergy Screen

Frequently asked questions

What does a positive result mean?
A positive result indicates your immune system is reacting to certain allergens. This doesn’t mean you’re allergic to everything—it pinpoints specific triggers that may cause symptoms like sneezing, itching, or swelling.
How long does it take to get results?
Results are typically available within 1–3 business days, depending on lab processing times. Follow-up with your healthcare provider to discuss findings and next steps.
Can I avoid allergens based on these results alone?
While identifying allergens is a key step, avoiding them may not always prevent symptoms. Consult your doctor for personalized advice, such as allergy testing or immunotherapy, to manage reactions effectively.
  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