Allergen-specific IgE testing
Health Checkups
≈ ¥20-50
(≈ $3-7)
15 min
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Description
Estimated cost for Allergen-specific IgE testing at general public hospitals in China is about ¥15-40, and at Grade 3A hospitals about ¥20-50, varying by hospital tier and region.
Main Uses
Allergen-Specific IgE Testing is primarily used to identify specific allergens causing allergic reactions, diagnose allergic conditions, guide treatment plans including immunotherapy, and monitor the effectiveness of allergy treatments. It is applicable in scenarios where patients present with symptoms suggestive of an allergic reaction, and when there is a need to differentiate between allergic and non-allergic causes of symptoms.
Normal Range
The normal range for Allergen-Specific IgE Testing is typically less than 0.35 kU/L (kilo units per liter). This value can vary slightly depending on the laboratory and the specific allergens being tested.
Low Values - Possible Causes
A low value in Allergen-Specific IgE Testing, which is generally considered to be within the normal range, may indicate: no or minimal allergic reaction to the tested allergen, successful immunotherapy, natural resolution of an allergy over time, or a non-allergic cause for the patient's symptoms.
High Values - Possible Causes
High values in Allergen-Specific IgE Testing, indicating a positive result, may be caused by: active allergic response to the specific allergen, recent exposure to the allergen, cross-reactivity with similar allergens, genetic predisposition to allergies, or atopic conditions such as asthma, eczema, or hay fever.