FARMINGDALE, N.Y.--(BUSINESS WIRE)--Enzo Biochem, Inc. (NYSE:ENZ), a biotechnology company specializing in gene identification and genetic and immune regulation technologies for diagnostic and therapeutic applications and laboratory services, today announced that its subsidiary, Enzo Clinical Labs, Inc., has been selected as a regional provider of medical laboratory services for UnitedHealthcare Insurance Company, an affiliate of UnitedHealthcare Group. (NYSE:UNH). Effective January 1, 2007, the new contract will cover UnitedHealthcare Insurance Company and its affiliates, including Oxford Health Plan.