DexCom, Inc., a medical device company, focuses on the design, development, and commercialization of continuous glucose monitoring systems. The company offers its systems for ambulatory use by people with diabetes; and for use by healthcare providers in the hospital for the treatment of patients with and without diabetes. Its ambulatory product line includes DexCom G4 system, a continuous glucose monitoring system; DexCom G4 PLATINUM system for continuous use by adults with diabetes; and DexCom SHARE, a remote monitoring system, which provides secondary notification and does not replace real time continuous glucose monitoring or standard home blood glucose monitoring. Its in-hospital product line comprises GlucoClear, a blood-based in-vivo automated glucose monitoring system for use by healthcare providers in the hospital. The company also offers SweetSpot, a software platform that enables patients to aggregate and analyze data from diabetes devices and to share it with their healthcare providers. DexCom, Inc. markets its products directly to endocrinologists, physicians, and diabetes educators primarily in the United States. The company was founded in 1999 and is headquartered in San Diego, California.