DexCom, Inc. reported that it expects preliminary unaudited revenue for the fourth quarter ended December 31, 2018 to exceed $331 million, an increase of at least 50% over the fourth quarter of 2017. For fiscal 2018, total preliminary, unaudited revenue is expected to exceed $1.025 billion, an increase of more than 42% over 2017. For 2019, the company currently anticipates total revenue of approximately $1.175 billion to $1.225 billion, representing expected growth of approximately 15% to 20% over 2018. This growth outlook is driven by growth in sensor volumes, continued international expansion, shifting channel mix and overall market dynamics.