SEC Filing Details Document Details Form 10-K/A Filing Date Mar 7, 2011 Document Date Dec 31, 2010 Form Description Amendment to a previously filed 10-K Filing Group Annual Filings Company Labcorp Issuer LABCORP HOLDINGS INC. Filing Formats View HTML Download PDF Download DOC Download XLS XBRL XBRL Viewer EX-101.INS - EX-101.INS EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA EX-101.CAL - EX-101.CAL EX-101.DEF - EX-101.DEF EX-101.LAB - EX-101.LAB EX-101.PRE - EX-101.PRE XML - XBRL INSTANCE DOCUMENT
