EXHIBIT 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the registration statement of, among others, IMS Health Incorporated Savings Plan on Form S-8 (File No. 333-58361-1) of our report dated June 20, 2001 relating to the financial statements of the IMS Health Incorporated Savings Plan which appears in this annual report on Form 11-K. /s/ PRICEWATERHOUSECOOPERS LLP ------------------------------ PRICEWATERHOUSECOOPERS LLP New York, New York June 25, 2001 15