Highlights: ? We designed SMS automatic transmission system linked to consultation order. ? The CPOE-based SMS project reduced LOS of consulted patients in the ED. ? This intervention facilitated the decision-making process of consulting physicians.Abstract: Purpose: Specialty consultations and waiting for admission to a hospital bed are major contributors to increased length of stay and overcrowding in the emergency department. We implemented a computerized short messaging service to inform care providers of patient delay in order to reduce length of stay. The purpose of this study was to evaluate the effects of this strategy on length of stay in the emergency department.Methods: This was a before-and-after observational study. Prior to this study, we registered the mobile phone num….