EX-23 2 g89698exv23.txt EX-23 CONSENT OF ERNST & YOUNG LLP EXHIBIT 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in the Registration Statements (Form S-8 No. 333-51112 and No. 333-64479) pertaining to the HCA 401(k) Plan of our report dated June 4, 2004 with respect to the financial statements and supplemental schedule of the HCA 401(k) Plan included in this Annual Report (Form 11-K) for the year ended December 31, 2003. /s/ Ernst & Young LLP Nashville, Tennessee June 22, 2004