EX-23 3 g02124exv23.txt EX-23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM EXHIBIT 23 CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM We consent to the incorporation by reference in Registration Statement Nos. 333-121283, 333-121282, 333-107810, 333-100349, 333-61614 and 333-44870 of Community Health Systems, Inc. on Form S-8 of our report dated June 21, 2006, appearing in this Annual Report on Form 11-K of Community Health Systems, Inc. 401(k) Plan for the year ended December 31, 2005. /s/ Deloitte & Touche LLP Nashville, Tennessee June 21, 2006