Dermatophagoides pteronyssinus-specific Immunoglobulin E (IgE) by Immunofluorescence
This test measures your body’s immune response to a common indoor allergen, helping identify if you may be allergic to house dust mites.
["Assessing mite allergy with IgE can guide allergy management and treatment options."]
Key facts at a glance
- LOINC
- 109348-3
- Short code
- D pteronyss IgG Msmt Ser
- Synonyms
- D pteronyss IgG Msmt Ser
- 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
What This Test Measures
IgE antibodies are part of your immune system’s reaction to allergens. When your body detects Dermatophagoides pteronyssinus (a dust mite), it may produce IgE to help fight it. This test detects the presence of these IgE antibodies specific to this allergen in your blood.
Why It’s Done
Doctors may order this test if you’ve had symptoms like sneezing, itchy eyes, or wheezing that suggest an allergy to dust mites. It helps confirm whether your reactions are due to this specific allergen and supports diagnosis or monitoring of allergies.
Sample Collection
A small blood sample is drawn from your arm, typically in a clinic or lab setting. The blood is then processed to measure IgE levels specific to the dust mite allergen.
What to Expect Before or After
No special preparation is needed. After the blood draw, you may experience mild bruising or soreness at the site, which usually fades quickly. If you’re on blood-thinning medication, let your doctor know before the test.
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.
Positive results indicate an allergic reaction to Dermatophagoides pteronyssinus, which is a common trigger for allergic rhinitis (hay fever) and asthma. This test helps tailor allergy treatments, such as avoiding dust mite-infested environments or medications to control symptoms. It’s not a definitive diagnosis but supports further evaluation by an allergist.
Short name
IgE to Dust Mite (Pteronyssinus)
Frequently asked questions
Will this test show if I have allergies to other things?
Can I still have symptoms even if my test is negative?
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