1 Exhibit 23.02 CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS We consent to the incorporation by reference in registration Statement No. 333-24483 of Cardinal Health, Inc. on Form S-3 and registration Statements No. 33-20895, No. 33-38021, No. 33-38022, No. 33-42357, No. 33-52535, No. 33-52537, No. 33-52539, No. 33-63283-01, No. 33-64337, No. 333-01927-01, No. 333-11803-01, No. 333-21631-01, No. 333-21631-02, No. 333-30889-01, No. 333-56655-01, No. 333-72727, No. 333-71727 and No. 333-68819-01 of Cardinal Health, Inc. on Form S-8 of our report, with respect to the consolidated financial statements of Pyxis Corporation (not presented) dated August 2, 1996, appearing on this Current Report on Form 8-K/A of Cardinal Health, Inc. /s/ Ernst & Young LLP ERNST & YOUNG LLP San Diego, California March 16, 1999