Basophil activation test in venom allergy should be performed within 4 hours of taking the blood sample

The basophil activation test (BAT) is a widely validated and reliable tool especially for the diagnosis of hymenoptera venom allergy.

Basophil granulocyte. Image source: Wikipedia.

Basophil activation test should be performed as early as possible after taking the blood sample, preferably within 4 h.

In contrast to the skin test, BAT can be performed in patients undergoing treatment with antihistamines.

BAT should be performed only at validated laboratories.


Blood circulation
Bigger granules (1.2 ┬Ám)
Bilobar nucleus

The basophil activation test in the diagnosis of allergy: technical issues and critical factors. Sturm GJ, Kranzelbinder B, Sturm EM, Heinemann A, Groselj-Strele A, Aberer W. Allergy. 2009 Feb 20.
Mast Cells and Basophils

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