1 EXHIBIT 23(d) CONSENT OF ERNST & YOUNG LLP, INDEPENDENT AUDITORS We consent to the incorporation by reference in Post-Effective Amendment No. 1 on Form S-8 to the Registration Statement (Form S-4 No. 333-56655) of Cardinal Health, Inc of our report dated August 2, 1996, with respect to the consolidated financial statements of Pyxis Corporation, included in the Annual Report (Form 10-K/A) of Cardinal Health, Inc. for the year ended June 30, 1997, filed with the Securities and Exchange Commission. /s/ Ernst & Young LLP ERNST & YOUNG LLP San Diego, California August 10, 1998