CareDx Inc. Provides earnings guidance for the fourth quarter and year ended December 31, 2018. For the quarter, the company reported revenue is expected to be between $23.2 million and $23.5 million, an increase of 85% to 88% compared with $12.5 million in the fourth quarter of 2017. Testing revenue for the quarter is expected to be between $18.5 million to $18.8 million, compared with $8.6 million in the same period in 2017. Product revenue is expected to be $4.6 million, compared to $3.7 million in the same period in 2017. Revenue for the full year expected is to be between $76.2 million and $76.5 million, an increase of approximately 58% compared with $48.3 million in 2017. Testing revenue for the year ended December 31, 2018 is expected to be between $59.9 million to $60.2 million, compared with $33.1 million in 2017. Product revenue for the full year 2018 is expected to be $15.7 million, compared to $14.6 million in 2017.