This test measures the level of IgE antibodies specific to pistachio (Pistacia vera), a tree nut that is widely consumed as a snack or used as an ingredient in various foods, such as ice cream, baked goods, and confectionery, and can cause allergic reactions, including anaphylaxis, in sensitized individuals, in serum, using immunoassay methods, to help diagnose pistachio allergy and guide avoidance recommendations.
