EXHIBIT 23(A)

                         CONSENT OF INDEPENDENT AUDITORS

We consent to the reference to our firm under the caption "Experts" in the
Registration Statement No. 333-100564 on Form S-4 of Cardinal Health, Inc. for
the registration of its common shares and to the incorporation by reference into
its Registration Statement on Form S-8 filed as Post-Effective Amendment No. 2
to Registration Statement No. 333-100564 of our report dated August 6, 2002,
with respect to the consolidated financial statements and schedule of Cardinal
Health, Inc. included in its Annual Report (Form 10-K) for the year ended June
30, 2002, filed with the Securities and Exchange Commission. The consolidated
financial statements and financial statement schedule of Cardinal Health, Inc.
for the years ended June 30, 2001 and 2000, were audited by auditors who have
ceased operations. Those auditors expressed an unqualified opinion on those
statements in their report dated July 27, 2001.


/s/ Ernst & Young LLP

Columbus, Ohio
January 3, 2003