EXHIBIT 23

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the following Registration Statements:

 

 

 

 

(1)

Registration Statement (Form S-8 No. 333-87153, 333-89308 and 333-123712) pertaining to the1999 Stock Option Plan and the 2005 Equity Compensation Incentive Plan;

 

 

 

 

(2)

Registration Statement (Form S-3 No. 333-168311)

of our report dated October 14, 2010, with respect to the consolidated financial statements and schedule of Enzo Biochem, Inc., and our report dated October 14, 2010, with respect to the effectiveness of internal control over financial reporting of Enzo Biochem, Inc., included in this Annual Report (Form 10-K) of Enzo Biochem, Inc.

 

 

 

/s/ Ernst & Young LLP

 

 

Jericho, New York

 

October 14, 2010