Exhibit 23.3 

Consent of Leverone & Company, Independent Accountants 

    We hereby consent to the use in the Prospectus constituting part of this 
Registration Statement on Form S-1 of Corning Clinical Laboratories Inc. of 
our report dated November 10, 1994 relating to the financial statements of 
Moran Research Labs (not presented separately herein) as of and for the year 
ended December 31, 1993. We also consent to the reference to us under the 
heading "Experts" in such Registration Statement. 

/s/ Leverone & Company 
Leverone & Company 

Billerica, Massachusetts 
December 10, 1996 


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