EXHIBIT 23

                         Consent of Independent Auditors

We consent to the  incorporation  by  reference in the  Registration  Statements
(Forms S-3, No. 333-15533, 33-58736, 33-60229, 33-78760, 33-72170, 33-68542) and
(Forms S-8 No. 33-45348,  33-75466,  33-88826,  333-87153 and 333-89308) of Enzo
Biochem,  Inc. and in the related  Prospectus  of our report  dated  October 15,
2003,  except for the last  paragraph of Note 7, as to which the date is October
28, 2003, with respect to the consolidated  financial statements and schedule of
Enzo  Biochem,  Inc.  included in this Annual  Report (Form 10-K) for the fiscal
year ended July 31, 2003.


                                                   /s/  Ernst & Young LLP




Melville, New York
October 29, 2003