Skip to content

Serum Immunoassay Panel for Multiple Allergenic Substances (Screening)

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

This blood test measures levels of Immunoglobulin E (IgE) antibodies against common allergens. IgE is a type of antibody that your immune system produces in response to certain triggers, such as pollen, dust mites, or pet dander.

Quick summary

["IgE levels help identify potential allergies to common environmental or food substances."]

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

Key facts at a glance

LOINC
15271-0
Short code
Weed Allerg Mix1 IgE Ql
Synonyms
Weed Allerg Mix1 IgE Ql
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 Does This Test Measure?

The test detects IgE antibodies specific to a mix of common allergens, including airborne allergens (e.g., grasses, trees, molds), pet dander, dust mites, insect allergens, and certain food allergens. IgE antibodies are part of your immune response and can indicate an allergic reaction risk.

Why Might You Need This Test?

Your healthcare provider may recommend this test if you have symptoms like sneezing, itching, skin rashes, or difficulty breathing that suggest allergies. It can also be used to confirm suspected allergies before exposure or to monitor treatment progress.

How Is the Test Performed?

A small blood sample is drawn from your arm. The blood is then processed and tested for IgE antibodies against the allergens listed in the panel. Results are typically available within a few days.

What Do My Results Mean?

Results show whether you have IgE antibodies against specific allergens. Elevated levels of IgE against certain allergens may indicate an allergic reaction risk, but they don’t definitively confirm an allergy. Further testing or clinical evaluation may be needed for diagnosis.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Allergen IgE Screen

Frequently asked questions

What Does a Positive or Negative Result Mean?
A positive result means your blood contains IgE antibodies against the tested allergens, which may indicate a heightened immune response to those substances. However, a negative result does not rule out allergies—other factors or allergens may still be involved.
How Often Should I Get This Test?
The frequency depends on your symptoms and healthcare provider’s recommendations. Some people get retested after starting allergy treatment or if symptoms change. Always follow your doctor’s advice.
Can I Take Anything Special Before the Test?
No special preparations are needed. However, inform your healthcare provider about any medications, supplements, or recent illnesses that could affect results.
  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