Exhibit 23.1

                         CONSENT OF INDEPENDENT AUDITORS

     We consent to the incorporation by reference in the Registration Statement
(Form S-4 No. 333-67981 as amended as of March 22, 1999); the Registration
Statements (Forms S-8 Nos. 333-01502, 333-31047) pertaining to the 1985
Incentive Stock Option Plan, the 1994 Incentive Stock Option Plan, the 1995
Director Stock Option Plan, the 1995 Employee Stock Purchase Plan, the 1995
Stock Option Plan and non-statutory stock options granted to directors and
officers of IDX Systems Corporation; the Registration Statement (Form S-8 No.
333-31045) pertaining to the PHAMIS, Inc. Amended and Restated 1983 Combined
Nonqualified and Incentive Stock Option Plan, the PHAMIS, Inc. 1993 Combined
Incentive and Nonqualified Stock Option Plan, as amended through May 14, 1996,
the PHAMIS, Inc. 1994 Nonemployee Director Stock Option Plan, as amended through
January 1, 1996 and the PHAMIS, Inc. Cain Option Agreement; and the Registration
Statement (Form S-8 No. 333-64028) pertaining to the 1995 Stock Option Plan, the
1995 Director Stock Option Plan, and the 1995 Employee Stock Purchase Plan of
IDX Systems Corporation and the Employment, Noncompetion and Nondisclosure
Agreement between IDX Systems Corporation and Lawrence Krassner, of our report
dated February 4, 2002, with respect to the consolidated financial statements
and schedule of IDX Systems Corporation included in this Annual Report (Form
10-K) for the year ended December 31, 2001.


                                                       /s/ Ernst & Young LLP


Boston, Massachusetts
March 25, 2002