<Page>
                                                                      EXHIBIT 23

                       CONSENT OF INDEPENDENT ACCOUNTANTS

    We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (File Nos. 333-53712, 333-69195, 333-67779 and 333-58361)
of IMS Health Incorporated of our report dated February 11, 2002 relating to the
consolidated financial statements, which appears in the 2001 Annual Report to
Shareholders, which is incorporated in this Annual Report on Form 10-K. We also
consent to the incorporation by reference of our report dated February 11, 2002
relating to the financial statement schedule which appears in this Form 10-K.

PricewaterhouseCoopers LLP
New York, New York
March 20, 2002

                                       32