Dermatophagoides pteronyssinus-specific IgE (serum/plasma)
This test measures your immune system’s response to a common indoor allergen found in house dust, specifically the mite *Dermatophagoides pteronyssinus*. It helps identify if your body overreacts to this allergen, which may contribute to allergic rhinitis or asthma.
["This test helps determine if allergies to house dust mites may be causing your symptoms."]
Key facts at a glance
- LOINC
- 112128-4
- Short code
- D pteronyss IgE Qn IA
- Synonyms
- D pteronyss IgE Qn IA
- 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
- Method
- ia
- 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
What Does This Test Measure?
The test detects levels of Immunoglobulin E (IgE), a type of antibody your immune system produces in response to allergens. In this case, it specifically looks for IgE antibodies against *Dermatophagoides pteronyssinus*, a mite commonly found in household dust. High levels may suggest an allergic reaction to this allergen.
Why Might You Need This Test?
Your healthcare provider may recommend this test if you experience symptoms like sneezing, itchy eyes, nasal congestion, or wheezing that appear to be triggered by dust or dust mites. It can help confirm whether your symptoms are linked to an allergic reaction to this specific allergen.
What to Expect Before the Test
No special preparation is needed. You’ll provide a blood sample, usually drawn from your arm. The test involves a small needle to collect a few drops of blood, which is then sent to a lab for analysis. The process typically takes a few minutes.
What to Expect After the Test
After the blood draw, you may experience mild bruising or soreness at the site, which usually fades within a day or two. You can resume your normal activities immediately. Results are typically available within a few days to a week, depending on your lab.
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.
◆Associated findings1
Short name
IgE to Dust Mite (D. pteronyssinus)
Frequently asked questions
How long does it take to get my test results?
Can I take anything before this test?
Is there any risk or discomfort with this test?
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