Consent of Independent Registered Public Accounting Firm

Vermillion, Inc.

Austin, Texas

We hereby consent to the incorporation by reference in the Prospectus constituting a part of this Registration Statement of our report dated March 31, 2015, relating to the consolidated financial statements of Vermillion, Inc. appearing in the Company’s Annual Report on Form 10-K for the year ended December 31, 2014.

We also consent to the reference to us under the caption “Experts” in the Prospectus.

/s/ BDO USA, LLP

Austin, Texas

May 8, 2015