<TABLE> <S> <C>
<ARTICLE> 5
<RESTATED>
<CIK> 0000920148
<NAME> LABORATORY CORPORATION OF AMERICA HOLDINGS
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> 9-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> sep-30-2000
<CASH> 15,300
<SECURITIES> 0
<RECEIVABLES> 488,800
<ALLOWANCES> 110,700
<INVENTORY> 32,400
<CURRENT-ASSETS> 484,200
<PP&E> 525,700
<DEPRECIATION> 254,200
<TOTAL-ASSETS> 1,639,800
<CURRENT-LIABILITIES> 290,500
<BONDS> 379,500
0
0
<COMMON> 3,500
<OTHER-SE> 830,500
<TOTAL-LIABILITY-AND-EQUITY> 1,639,800
<SALES> 1,433,300
<TOTAL-REVENUES> 1,433,300
<CGS> 851,800
<TOTAL-COSTS> 851,800
<OTHER-EXPENSES> 383,500
<LOSS-PROVISION> 0
<INTEREST-EXPENSE> 29,300
<INCOME-PRETAX> 168,900
<INCOME-TAX> 77,700
<INCOME-CONTINUING> 91,200
<DISCONTINUED> 0
<EXTRAORDINARY> 0
<CHANGES> 0
<NET-INCOME> 91,200
<EPS-BASIC> 2.85
<EPS-DILUTED> 2.66
<PAGE>
</TABLE>