
Allergy - CRD Dust Mite (Dermatophagoides Pternonyssinus) Panel









The Allergy - CRD Dust Mite (Dermatophagoides Pternonyssinus) Panel is a type of advanced allergy testing that identifies specific proteins within the dust mite which may trigger a patient's allergic reaction. CRD tests for IgE antibodies against specific dust mite proteins, rather than just whole extracts. This provides a more precise diagnosis and management plan for dust mite allergy compared to traditional testing, which only detects sensitivity to the entire allergen source. This panel identifies allergic reactions caused by house dust mites and assists doctors in formulating effective care plans to manage symptoms and prevent allergic reactions.












Understanding Allergy - CRD Dust Mite (Dermatophagoides Pternonyssinus) Panel
House dust mites are microscopic organisms commonly found in indoor environments, particularly in bedding, carpets, and upholstery. These mites thrive in warm, humid environments and feed on dead skin cells shed by humans. For individuals who are allergic to them, exposure to these mites can trigger hypersensitive reactions. These reactions may lead to allergic responses that range from mild sneezing to severe conditions like asthma and eczema.
The Allergy - CRD Dust Mite (Dermatophagoides Pternonyssinus) Panel uses component-resolved diagnostics (CRD), which measure IgE antibodies against specific dust mite proteins instead of whole extracts. This advanced allergy testing method identifies specific molecular components, or proteins, within an allergen that trigger an allergic reaction, rather than just confirming sensitivity to the entire allergen source. This allows a more precise understanding of the allergy. It helps differentiate between true dust mite sensitization and possible cross-reactivity with other allergens.
This panel is particularly useful for individuals who continue to experience allergy symptoms such as runny or blocked nose, sneezing, itchy or watery eyes, coughing, wheezing, or skin rashes even after general allergen avoidance measures. It is also recommended for individuals with a family history of asthma or allergies, who may be at higher risk of developing dust mite sensitization.
A positive result suggests sensitization to one or more specific dust mite proteins, confirming dust mites as the likely trigger of symptoms. This information assists doctors in deciding on targeted treatments, including allergen avoidance strategies, medication, or allergen-specific immunotherapy. A negative result may indicate that other allergens are responsible for the symptoms.
No special preparation is required for the Allergy - CRD Dust Mite (Dermatophagoides Pternonyssinus) Panel. Inform the doctor about any medications, such as antihistamines or supplements, being taken, as they might influence the test results.
Lab test results may vary across different laboratories. Abnormal test results require expert interpretation. Therefore, never try to self-medicate at home based solely on these results, and always consult a doctor for a proper understanding of the test results.
What does Allergy - CRD Dust Mite (Dermatophagoides Pternonyssinus) Panel measure?
Contains 4 testsThe Allergy - CRD Dust Mite (Dermatophagoides Pternonyssinus) Panel measures IgE antibodies against specific proteins, or molecular components, of the Dermatophagoides pteronyssinus dust mite using advanced ImmunoCAP CRD technology. By testing at the molecular level rather than with whole allergen extracts, it pinpoints which proteins are responsible for triggering allergic symptoms.
The major dust mite components included in this panel are:
- rDer p 1: a major allergen found in dust mite feces, strongly linked to asthma and respiratory allergies.
- rDer p 2: another major allergen commonly associated with nasal allergies, rhinitis, and asthma.
- rDer p 23: a potent allergen that has been increasingly recognized as an important trigger in severe dust mite allergy and asthma.
- rDer p 10 (tropomyosin): a minor allergen that can cross-react with similar proteins in shellfish and other invertebrates, making it useful for distinguishing between true dust mite sensitization and food-related cross-reactivity.
By identifying the precise molecular allergens, doctors can distinguish between genuine sensitization and cross-reactivity, understand the severity of the allergic response, and predict the likelihood of reactions. Elevated IgE levels to dust mite components confirm allergic sensitivity, helping to design tailored management plans to reduce exposure and control symptoms.





FAQs related to Allergy - CRD Dust Mite (Dermatophagoides Pternonyssinus) Panel
- Arlian LG, Morgan MS, Neal JS. Dust mite allergens: ecology and distribution. Curr Allergy Asthma Rep. 2002 Sep;2(5):401-11. [Accessed 13 Sep. 2025]. Available from:
- Aggarwal P, Senthilkumaran S. Dust Mite Allergy. [Updated 2023 Aug 8]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2024 Jan-. Available from:
- Allergens [Internet]. NIH; 07 Sep. 2022. [Accessed 13 Sep. 2025]. Available from:
- Treudler R, Simon JC. Overview of component resolved diagnostics. Curr Allergy Asthma Rep. 2013 Feb;13(1):110-7.
- Peveri S, Pattini S, Costantino MT, Incorvaia C, Montagni M, Roncallo C, Villalta D, Savi E. Molecular diagnostics improves diagnosis and treatment of respiratory allergy and food allergy with economic optimization and cost saving. Allergologia et Immunopathologia. 2019;47(1):64-72. [Accessed 13 Sep. 2025]. Available from:
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