DexCom, Inc. reported preliminary unaudited revenue results for the fourth quarter ended December 31, 2017. For the quarter, the company reported revenue of approximately $218 million, an increase of 27% compared to last year.

For the year 2017, the company expected revenue to be $715 million, an increase of 25% compared to last year.

For the fiscal 2018, the company expected total revenue of approximately $830 to $850 million. This growth outlook is driven by continued strength in sensor volumes, international revenue and the expansion of DexCom's worldwide patient base, each of which are expected to exceed its overall revenue growth rate in 2018.