EX-23 3 0003.txt Consent of Independent Accountants We hereby consent to the incorporation by reference in the Registration Statement on Forms S-8 (No. 33-43006, No. 33- 55065, No. 33-62913, No. 333-17793, No. 333-39731 and No. 333-39735) of Laboratory Corporation of America Holdings and Forms S-3/4 (No. 33-58307 and No. 33-58775) of National Health Laboratories Holdings, Inc. of our report dated February 9, 2001 relating to the financial statements and financial statement schedule, which appear in this Form 10- K. PricewaterhouseCoopers LLP Charlotte, North Carolina March 9, 2001