Exhibit 23.4



                      CONSENT OF INDEPENDENT ACCOUNTANTS




We consent to the incorporation by reference in this Registration Statement
on Form S-4 of Genzyme Corporation of our report dated February 22, 2000,
relating to the financial statements of RenaGel LLC, which appears in GelTex
Pharmaceuticals, Inc.'s Annual Report on Form 10-K for the year ended
December 31, 1999.



/s/ PricewaterhouseCoopers LLP

Boston, Massachusetts
October 26, 2000