EX-23.1 5 c64701a2ex23-1.txt CONSENT OF ERNST & YOUNG LLP EXHIBIT 23.1 Consent of Independent Auditors We consent to the reference to our firm under the captions "Selected Consolidated Financial Data" and "Experts" and to the use of our report dated February 23, 2001, in Amendment No. 2 to the Registration Statement (Form S-3) and related Prospectus of Stericycle, Inc. dated October 18, 2001. /s/ Ernst & Young LLP Chicago, Illinois October 18, 2001