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Hair Dander Immunoassay (IgE Antibody to Dermatophagoides pteronyssinus)

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

This test measures your immune system’s response to common indoor allergens, specifically antibodies (IgE) that may trigger allergic reactions when exposed to dust mites.

Quick summary

["Helps identify potential allergies to common household allergens."]

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

Key facts at a glance

LOINC
24168-7
Short code
Deprecated Cat Hair+Dander IgG Qn
Synonyms
Deprecated Cat Hair+Dander IgG Qn
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
82784
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

The test detects levels of Immunoglobulin E (IgE) antibodies specific to *Dermatophagoides pteronyssinus*, a common dust mite. IgE is a type of antibody your body produces in response to allergens, which can cause symptoms like sneezing, itching, or wheezing.

Why It Might Be Ordered

Your healthcare provider may recommend this test if you have symptoms like persistent sneezing, itchy skin, or respiratory issues that suggest an allergic reaction to dust mites, especially in environments like homes or offices.

How the Test Works

A small sample of your hair is collected and analyzed to detect IgE antibodies against the dust mite allergen. The result helps determine if your immune system is reacting to this allergen.

Preparation and Sample Collection

No special preparation is needed. A healthcare professional will collect a sample of your hair, typically a few strands, for testing. This is usually a quick and painless process.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Positive results suggest a potential allergic sensitivity to dust mites, which can guide treatment options such as avoiding allergen exposure, using antihistamines, or consulting an allergist for further testing or management strategies.

Short name

IgE to Dust Mite

Frequently asked questions

What does a positive result mean?
A positive result indicates your body may be producing IgE antibodies to dust mites, which could mean you’re more likely to react to them. This doesn’t confirm a diagnosis but may help identify allergens to avoid.
Can I take allergy medication before the test?
Yes, you can take any prescribed allergy medication, but avoid sudden changes in dose or stopping medication without consulting your healthcare provider.
How long will I get the results?
Results are typically available within 1 to 2 weeks, depending on lab processing times.
  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