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Dermatophagoides pteronyssinus (Dp) IgE Antibody, Serum

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

This test measures the level of Immunoglobulin E (IgE) antibodies in your blood specific to *Dermatophagoides pteronyssinus*, a common house dust mite. IgE is linked to allergic reactions, including asthma, eczema, and allergic rhinitis.

Quick summary

["IgE to dust mites helps identify possible allergic sensitivities to common indoor allergens."]

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

Key facts at a glance

LOINC
88708-3
Short code
D pteronyss (rDer p) 1 IgE Qn
Synonyms
D pteronyss (rDer p) 1 IgE Qn
Category
coagulation
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Ref low
0.8
Ref high
1.2
Critical range
— – 5 N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
CPT
85610
SNOMED
396252006
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 Might Be Ordered

Your healthcare provider may recommend this test if you experience symptoms like sneezing, itchy eyes, wheezing, or skin rashes that suggest an allergic reaction to dust mites. It’s also used to assess allergies in people with asthma, eczema, or persistent allergic symptoms.

What to Expect Before the Test

No special preparation is needed. You’ll have a small needle inserted into your arm to draw blood. The process takes about 5 minutes, and you can resume normal activities afterward.

What the Results Mean

Results show whether your body has produced IgE antibodies against *Dermatophagoides pteronyssinus*. Elevated levels may indicate an allergic reaction to this mite, but they don’t confirm a diagnosis alone. Your doctor will consider symptoms and other test results.

Common Causes of Positive Results

Positive IgE levels are most commonly linked to allergies triggered by dust mites, which thrive in bedding, carpets, and upholstered furniture. Other factors, like genetic predisposition or exposure to other allergens, may also play a role.

Reference range

INR: 0.8-1.2 (warfarin: 2.0-3.0)N/A

Specimen: serum

Inform your healthcare provider if you are taking blood thinners. No special preparation required.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

Elevated IgE to *Dermatophagoides pteronyssinus* suggests a potential allergic reaction, guiding treatment options such as allergy immunotherapy (allergy shots) or avoiding mite-triggering environments. It’s not a definitive allergy test but supports diagnosis alongside clinical findings.

Short name

IgE to Dust Mite (Dp)

Frequently asked questions

What does a positive result mean?
A positive result means your immune system has detected IgE antibodies to this mite, which may indicate an allergic sensitivity. However, it doesn’t confirm an allergy without considering symptoms and other tests.
Can I take allergy medication before the test?
Yes, you can take prescribed allergy medications (like antihistamines) before the test, as they won’t affect the blood draw. Avoid over-the-counter medications without consulting your doctor first.
How long does it take to get results?
Results are typically available within 3–5 business days, depending on your lab and healthcare provider’s workflow. Follow-up with your doctor to discuss findings.
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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