Test Details: One of the most common tree type pollens found in Central and Northern Europe is the pollen from the birch tree of Betulaceae family. Birch pollens act as allergens and are one of the key causes of asthma, allergic rhinoconjunctivitis, and allergic rhinitis symptoms. This Allergen tree pollen Birch (Betula verrucosa) test aids in the detection of specific Immunoglobulin E (IgE) antibodies in the blood sample against this allergen.