Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration Statement (FormS-8) pertaining to the 2014 Equity Incentive Plan, as amended, and the 2014 Employee Stock Purchase Plan of CareDx, Inc. of our report dated March 22, 2018, with respect to the consolidated financial statements of CareDx, Inc. included in its Annual Report (Form10-K) for the year ended December 31, 2017, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Redwood City, California
June 29, 2018