Red Kidney bean allergy is one of the common food allergies. Allergy test for red kidney bean is basically performed on the blood samples to measure the IgE antibodies level in the blood. This test is performed to confirm whether you are suffering from red kidney bean allergy or not. Traditional allergy test uses the skin prick method (also called as a scratch test) to determine the allergic reaction will happen by inserting triggers into your skin through a needle prick. However, with the help of modern technique red kidney bean allergy investigations, you can determine substance allergen status without skin prick irritation. You can get an accurate result within one day.