<SEC-DOCUMENT>0001127602-24-006253.txt : 20240222
<SEC-HEADER>0001127602-24-006253.hdr.sgml : 20240222
<ACCEPTANCE-DATETIME>20240222150542
ACCESSION NUMBER:		0001127602-24-006253
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20240221
FILED AS OF DATE:		20240222
DATE AS OF CHANGE:		20240222

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			EISENBERG GLENN A
		CENTRAL INDEX KEY:			0001222831
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-11353
		FILM NUMBER:		24664305

	MAIL ADDRESS:	
		STREET 1:		P O BOX 1017
		CITY:			CHARLOTTE
		STATE:			NC
		ZIP:			28201-1017

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LABORATORY CORP OF AMERICA HOLDINGS
		CENTRAL INDEX KEY:			0000920148
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		IRS NUMBER:				133757370
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		358 S MAIN ST
		CITY:			BURLINGTON
		STATE:			NC
		ZIP:			27215
		BUSINESS PHONE:		3362291127

	MAIL ADDRESS:	
		STREET 1:		358 S MAIN ST
		CITY:			BURLINGTON
		STATE:			NC
		ZIP:			27215

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	NATIONAL HEALTH LABORATORIES HOLDINGS INC
		DATE OF NAME CHANGE:	19940314
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>PRIMARY DOCUMENT
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<ownershipDocument>

    <schemaVersion>X0508</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2024-02-21</periodOfReport>

    <issuer>
        <issuerCik>0000920148</issuerCik>
        <issuerName>LABORATORY CORP OF AMERICA HOLDINGS</issuerName>
        <issuerTradingSymbol>LH</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001222831</rptOwnerCik>
            <rptOwnerName>EISENBERG GLENN A</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>531 SOUTH SPRING STREET</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>BURLINGTON</rptOwnerCity>
            <rptOwnerState>NC</rptOwnerState>
            <rptOwnerZipCode>27215</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Chief Financial Officer, EVP</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <aff10b5One>0</aff10b5One>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
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                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
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            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>14054</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>163.63</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
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                <sharesOwnedFollowingTransaction>
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            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
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                <transactionFormType>4</transactionFormType>
                <transactionCode>S</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
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                <transactionPricePerShare>
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                    <footnoteId id="F1"/>
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                <transactionAcquiredDisposedCode>
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                <directOrIndirectOwnership>
                    <value>D</value>
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        <nonDerivativeTransaction>
            <securityTitle>
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            <transactionDate>
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                <transactionPricePerShare>
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        </nonDerivativeTransaction>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2024-02-21</value>
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                <transactionCode>S</transactionCode>
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                <transactionPricePerShare>
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                    <footnoteId id="F3"/>
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        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
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            <transactionDate>
                <value>2024-02-21</value>
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                <transactionCode>S</transactionCode>
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                <transactionShares>
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                </transactionShares>
                <transactionPricePerShare>
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                    <footnoteId id="F4"/>
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                <transactionAcquiredDisposedCode>
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                </sharesOwnedFollowingTransaction>
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                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <derivativeTable>
        <derivativeTransaction>
            <securityTitle>
                <value>Non-qualified Stock Options</value>
                <footnoteId id="F5"/>
            </securityTitle>
            <conversionOrExercisePrice>
                <value>163.63</value>
                <footnoteId id="F6"/>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2024-02-21</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>M</transactionCode>
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            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>14054</value>
                    <footnoteId id="F6"/>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <exerciseDate>
                <value>2021-02-04</value>
                <footnoteId id="F7"/>
            </exerciseDate>
            <expirationDate>
                <value>2030-02-03</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>14054</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
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                    <value>0</value>
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        </derivativeTransaction>
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    <footnotes>
        <footnote id="F1">The price of $215.3661 per share represents a weighted average of sales prices ranging from $214.80 to $215.79 per share. The reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security
holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.</footnote>
        <footnote id="F2">The price of $215.6759 per share represents a weighted average of sales prices ranging from $215.80 to $216.66 per share. The reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security
holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.</footnote>
        <footnote id="F3">The price of $217.5205 per share represents a weighted average of sales prices ranging from $216.87 to $217.86 per share. The reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security
holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.</footnote>
        <footnote id="F4">The price of $217.9842 per share represents a weighted average of sales prices ranging from $217.89 to $218.075 per share. The reporting person undertakes to provide upon request by the Commission staff, the issuer, or a security
holder of the issuer, full information regarding the number of shares purchased or sold at each separate price.</footnote>
        <footnote id="F5">Employee stock option (right to buy) granted pursuant to the Laboratory Corporation of America Holdings 2016 Omnibus Incentive Plan.</footnote>
        <footnote id="F6">Represents amounts automatically adjusted based on the final adjustment ratio applied to equity awards in connection with the spin-off of Fortrea Holdings Inc. (&quot;Fortrea&quot;) by Laboratory Corporation of America Holdings (&quot;Labcorp&quot;), calculated pursuant to the terms of the Employee Matters Agreement by and between Labcorp and Fortrea.</footnote>
        <footnote id="F7">The option vested in three equal annual installments beginning on the date reflected in this column.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ Sandra D. van der Vaart, Attorney-in-Fact for Glenn A. Eisenberg</signatureName>
        <signatureDate>2024-02-22</signatureDate>
    </ownerSignature>
</ownershipDocument>
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</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
