Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in this Registration Statement on Form S-3 of our reports dated March 14, 2006, relating to the financial statements of deCODE genetics, Inc., and management’s report on the effectiveness of internal control over financial reporting appearing in the Annual Report on Form 10-K of deCODE genetics, Inc. for the year ended December 31, 2005 and to the reference to us under the heading “Experts” in the Prospectus, which is part of this Registration Statement.

/s/ Deloitte & Touche LLP

Boston, Massachusetts

December 22, 2006