Predictors of hospital admission for food-related allergic reactions that present to the emergency department.

Background: guidelines do not provide specific hospitalization criteria for patients presenting to the emergency department (ED) with food-related allergic reactions.

Objective: to determine predictors of hospital admission for ED patients with food-related allergic reactions.

Methods: we performed a medical record review at 3 academic centers of patients presenting to the ED for food-related allergic reactions (International Classification of Diseases, Ninth Revision, Clinical Modification codes 693.