EXHIBIT 23.2

               CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statement on
Form S-8 pertaining to the 1998 Director Stock Option Plan of Genzyme
Corporation for the registration of 250,000 shares of Genzyme General
Division common stock, 200,000 shares of Genzyme Biosurgery Division common
stock and 150,000 shares of Genzyme Molecular Oncology Division common stock
of our report dated January 31, 2001, with respect to the financial
statements of Focal, Inc. included in its Annual Report (Form 10-K) for the
year ended December 31, 2000 filed with the Securities and Exchange
Commission.

                                          /s/ Ernst & Young LLP

Boston, Massachusetts
January 11, 2002