content: <?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
    <headerData>
      <submissionType>144</submissionType>
      <filerInfo>
        <filer>
          <filerCredentials>
            <cik>0001537208</cik>
            <ccc>XXXXXXXX</ccc>
          </filerCredentials>
        </filer>
        <liveTestFlag>LIVE</liveTestFlag>
  
  
  
      </filerInfo>
    </headerData>
    <formData>
      <issuerInfo>
        <issuerCik>0000920148</issuerCik>
        <issuerName>LABORATORY CORP OF AMERICA HOLDINGS</issuerName>
        <secFileNumber>001-11353</secFileNumber>
        <issuerAddress>
          <com:street1>358 S MAIN ST</com:street1>
          <com:city>BURLINGTON</com:city>
          <com:stateOrCountry>NC</com:stateOrCountry>
          <com:zipCode>27215</com:zipCode>
        </issuerAddress>
        <issuerContactPhone>3362291127</issuerContactPhone>
        <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>van der Vaart Sandra D</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
        <relationshipsToIssuer>
          <relationshipToIssuer>Officer</relationshipToIssuer>
        </relationshipsToIssuer>
      </issuerInfo>
      <securitiesInformation>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <brokerOrMarketmakerDetails>
          <name>Fidelity Brokerage Services LLC</name>
          <address>
            <com:street1>900 Salem Street</com:street1>
            <com:city>Smithfield</com:city>
            <com:stateOrCountry>RI</com:stateOrCountry>
            <com:zipCode>02917</com:zipCode>
          </address>
        </brokerOrMarketmakerDetails>
        <noOfUnitsSold>259</noOfUnitsSold>
        <aggregateMarketValue>57513.54</aggregateMarketValue>
        <noOfUnitsOutstanding>84900000</noOfUnitsOutstanding>
        <approxSaleDate>02/08/2024</approxSaleDate>
        <securitiesExchangeName>NYSE</securitiesExchangeName>
      </securitiesInformation>
      <securitiesToBeSold>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <acquiredDate>02/07/2024</acquiredDate>
        <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
        <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
        <isGiftTransaction>N</isGiftTransaction>
        <amountOfSecuritiesAcquired>259</amountOfSecuritiesAcquired>
        <paymentDate>02/07/2024</paymentDate>
        <natureOfPayment>Compensation</natureOfPayment>
      </securitiesToBeSold>
      <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
      <securitiesSoldInPast3Months>
        <sellerDetails>
          <name>Sandra Dillard Van Der Vaart</name>
          <address>
            <com:street1>358 South Main Street</com:street1>
            <com:city>Burlington,</com:city>
            <com:stateOrCountry>NC</com:stateOrCountry>
            <com:zipCode>27215</com:zipCode>
          </address>
        </sellerDetails>
        <securitiesClassTitle>Common</securitiesClassTitle>
        <saleDate>02/05/2024</saleDate>
        <amountOfSecuritiesSold>193</amountOfSecuritiesSold>
        <grossProceeds>42570.01</grossProceeds>
      </securitiesSoldInPast3Months>
      <noticeSignature>
        <noticeDate>02/08/2024</noticeDate>
        <planAdoptionDates>
          <planAdoptionDate>02/23/2023</planAdoptionDate>
        </planAdoptionDates>
        <signature>/s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Sandra D. Van Der Vaart</signature>
      </noticeSignature>
    </formData>
  </edgarSubmission>
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text: 144
  0001537208
  XXXXXXXX
  LIVE
  0000920148
  LABORATORY CORP OF AMERICA HOLDINGS
  001-11353
  358 S MAIN ST
  BURLINGTON
  NC
  27215
  3362291127
  van der Vaart Sandra D
  Officer
  Common
  Fidelity Brokerage Services LLC
  900 Salem Street
  Smithfield
  RI
  02917
  259
  57513.54
  84900000
  02/08/2024
  NYSE
  Common
  02/07/2024
  Restricted Stock Vesting
  Issuer
  N
  259
  02/07/2024
  Compensation
  N
  Sandra Dillard Van Der Vaart
  358 South Main Street
  Burlington,
  NC
  27215
  Common
  02/05/2024
  193
  42570.01
  02/08/2024
  02/23/2023
  /s/ Gerardo Ibarra-Munoz, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Sandra D. Van Der Vaart