Attached files

file filename
EX-31.1 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 302 - MCKESSON CORPmck_exhibit311x3312017.htm
EX-32 - CERTIFICATION PURSUANT TO 18 U.S.C.SECTION 1350 - MCKESSON CORPmck_exhibit32x3312017.htm
EX-31.2 - CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO SECTION 302 - MCKESSON CORPmck_exhibit312x3312017.htm
EX-24 - POWER OF ATTORNEY - MCKESSON CORPmck_exhibit24x3312017.htm
EX-21 - LIST OF SUBSIDIARIES OF THE REGISTRANT - MCKESSON CORPmck_exhibit21x3312017.htm
EX-12 - COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES - MCKESSON CORPmck_exhibit12x33117.htm
10-K - 10-K - MCKESSON CORPmck_10kx3312017.htm


Exhibit 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in McKesson Corporation Registration Statement Nos. 333-163642, 333-181118, 333-181119, 333-190847, 333-190848, 333-190849, and 333-213488 on Form S-8, and Registration Statement No. 333-215673 on Form S-3, of our report dated May 22, 2017, relating to the consolidated financial statements and consolidated financial statement schedule of McKesson Corporation and subsidiaries, and the effectiveness of McKesson Corporation’s internal control over financial reporting appearing in this Annual Report on Form 10-K of McKesson Corporation for the year ended March 31, 2017.

 
/s/ Deloitte & Touche LLP
San Francisco, California
May 22, 2017