Dermatophagoides pteronyssinus-specific IgE antibody (serum/plasma)
This test measures your immune system’s response to a common indoor allergen, Dermatophagoides pteronyssinus (a type of dust mite). It helps identify if your body produces antibodies against this allergen, which may contribute to allergic reactions like asthma or hay fever.
["This test helps diagnose allergies caused by dust mites."]
Key facts at a glance
- LOINC
- 81792-4
- Short code
- D pteronyss (nDer p) 2 IgE Qn
- Synonyms
- D pteronyss (nDer p) 2 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 have symptoms like sneezing, itchy eyes, wheezing, or skin reactions that suggest an allergy to dust mites. It’s often used alongside other allergy tests to confirm exposure to specific allergens.
How the Test Works
A small blood sample is taken from your arm. The sample is then tested to detect the presence of IgE antibodies specific to Dermatophagoides pteronyssinus. These antibodies are part of your immune response to the allergen.
What to Expect Before the Test
No special preparation is needed for this blood test. You may have some mild discomfort from the needle, but it usually goes away quickly. If you’re on blood thinners or have a history of bleeding issues, let your provider know before the test.
What the Results Mean
A positive result means your body has produced IgE antibodies against Dermatophagoides pteronyssinus, indicating an allergic reaction is possible. However, a positive result alone doesn’t confirm an allergy—it’s often used alongside other tests or clinical symptoms to guide diagnosis.
Reference range
INR: 0.8-1.2 (warfarin: 2.0-3.0)N/A
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.
This test is useful for diagnosing allergies triggered by dust mites, which are common indoor allergens. Elevated IgE levels may suggest an allergic reaction that could affect your respiratory system, skin, or overall comfort. It helps healthcare providers create targeted treatment plans, such as avoiding dust mites or using allergy medications.
Short name
IgE to Dust Mite (D. pteronyssinus)
Frequently asked questions
What does a positive result mean?
Can I take anything before the test?
How long will it take to get results?
Sources
- 1
- 2Lab Tests OnlineSource
- 3
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.
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