SEC Filing Details Document Details Form 10-K/A Filing Date Mar 5, 2020 Document Date Dec 31, 2019 Form Description Amendment to a previously filed 10-K Filing Group Annual Filings Company Labcorp Issuer LABCORP HOLDINGS INC. Filing Formats iXBRL View HTML Download PDF Download DOC Download XLS XBRL XBRL Viewer EX-101.SCH - XBRL TAXONOMY EXTENSION SCHEMA EX-101.CAL - XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT EX-101.DEF - XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT EX-101.LAB - XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT EX-101.PRE - XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT XML - XBRL INSTANCE DOCUMENT