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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_8558E60BD41EEC2139F8F355D1A5053D_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_8558E60BD41EEC2139F8F355D1A5053D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2020</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" xlink:label="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_8558E60BD41EEC2139F8F355D1A5053D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_5D9D800F7DEB0CDB6D19F355D1A631D1_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_5D9D800F7DEB0CDB6D19F355D1A631D1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">2021</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_5D9D800F7DEB0CDB6D19F355D1A631D1" xlink:to="lab_us-gaap_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_5D9D800F7DEB0CDB6D19F355D1A631D1" xlink:type="arc" />
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    <link:label id="lab_iart_DebtCovenantPeriodAxis_8E0CF745535782FEA0E6352D1DC9D0C0_documentation_en-US" xlink:label="lab_iart_DebtCovenantPeriodAxis_8E0CF745535782FEA0E6352D1DC9D0C0" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Covenant Period [Axis]</link:label>
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    <link:label id="lab_iart_DebtCovenantPeriodDomain_9F33FA7FBB94CA389587352D1DD91EFB_label_en-US" xlink:label="lab_iart_DebtCovenantPeriodDomain_9F33FA7FBB94CA389587352D1DD91EFB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant Period [Domain]</link:label>
    <link:label id="lab_iart_DebtCovenantPeriodDomain_9F33FA7FBB94CA389587352D1DD91EFB_documentation_en-US" xlink:label="lab_iart_DebtCovenantPeriodDomain_9F33FA7FBB94CA389587352D1DD91EFB" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">[Domain] for Debt Covenant Period [Axis]</link:label>
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    <link:label id="lab_iart_DebtCovenantPeriod1Member_FD59431D788D54B7E5A3352D1EAD55CD_verboseLabel_en-US" xlink:label="lab_iart_DebtCovenantPeriod1Member_FD59431D788D54B7E5A3352D1EAD55CD" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">First fiscal quarter ending after the Closing Date through June 30, 2022</link:label>
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    <link:label id="lab_iart_DebtCovenantPeriod1Member_FD59431D788D54B7E5A3352D1EAD55CD_documentation_en-US" xlink:label="lab_iart_DebtCovenantPeriod1Member_FD59431D788D54B7E5A3352D1EAD55CD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Covenant Period 1 [Member]</link:label>
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    <link:label id="lab_iart_DebtCovenantPeriod2Member_6DA583BF07AE1BC96301352F98154302_verboseLabel_en-US" xlink:label="lab_iart_DebtCovenantPeriod2Member_6DA583BF07AE1BC96301352F98154302" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">September 30, 2022 through June 30, 2023</link:label>
    <link:label id="lab_iart_DebtCovenantPeriod2Member_6DA583BF07AE1BC96301352F98154302_label_en-US" xlink:label="lab_iart_DebtCovenantPeriod2Member_6DA583BF07AE1BC96301352F98154302" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant Period 2 [Member]</link:label>
    <link:label id="lab_iart_DebtCovenantPeriod2Member_6DA583BF07AE1BC96301352F98154302_documentation_en-US" xlink:label="lab_iart_DebtCovenantPeriod2Member_6DA583BF07AE1BC96301352F98154302" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Covenant Period 2 [Member]</link:label>
    <link:loc xlink:href="iart-20191231.xsd#iart_DebtCovenantPeriod2Member" xlink:label="loc_iart_DebtCovenantPeriod2Member_6DA583BF07AE1BC96301352F98154302" xlink:type="locator" />
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    <link:label id="lab_iart_DebtCovenantPeriod3Member_006224A5C3B94A1B3039352FF347C71B_verboseLabel_en-US" xlink:label="lab_iart_DebtCovenantPeriod3Member_006224A5C3B94A1B3039352FF347C71B" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:type="resource" xml:lang="en-US">September 30, 2023 and the last day of each fiscal quarter thereafter</link:label>
    <link:label id="lab_iart_DebtCovenantPeriod3Member_006224A5C3B94A1B3039352FF347C71B_label_en-US" xlink:label="lab_iart_DebtCovenantPeriod3Member_006224A5C3B94A1B3039352FF347C71B" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant Period 3 [Member]</link:label>
    <link:label id="lab_iart_DebtCovenantPeriod3Member_006224A5C3B94A1B3039352FF347C71B_documentation_en-US" xlink:label="lab_iart_DebtCovenantPeriod3Member_006224A5C3B94A1B3039352FF347C71B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Covenant Period 3 [Member]</link:label>
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    <link:label id="lab_iart_DebtInstrumentCovenantMaximumLeverageRatio_8B4BF5E93AF39CFA40E4352D1C48C372_terseLabel_en-US" xlink:label="lab_iart_DebtInstrumentCovenantMaximumLeverageRatio_8B4BF5E93AF39CFA40E4352D1C48C372" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Maximum Consolidated Total Leverage Ratio</link:label>
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    <link:label id="lab_iart_DebtInstrumentCovenantMaximumLeverageRatio_8B4BF5E93AF39CFA40E4352D1C48C372_documentation_en-US" xlink:label="lab_iart_DebtInstrumentCovenantMaximumLeverageRatio_8B4BF5E93AF39CFA40E4352D1C48C372" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Covenant, Maximum Leverage Ratio</link:label>
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    <link:label id="lab_us-gaap_DebtDisclosureAbstract_1A8CF38B9403965AF9C5F355D2A32AD7_label_en-US" xlink:label="lab_us-gaap_DebtDisclosureAbstract_1A8CF38B9403965AF9C5F355D2A32AD7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Disclosure [Abstract]</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentTable_DD6281AB43F26D36B265F355D2A38997_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentTable_DD6281AB43F26D36B265F355D2A38997" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Schedule of Long-term Debt Instruments [Table]</link:label>
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    <link:label id="lab_iart_DebtCovenantPeriod1Member_4F65C18D8CE715ED8925F355D2A46EAA_terseLabel_en-US" xlink:label="lab_iart_DebtCovenantPeriod1Member_4F65C18D8CE715ED8925F355D2A46EAA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Execution of May 2018 Amendment through March 31, 2019</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iart_DebtCovenantPeriod1Member_4F65C18D8CE715ED8925F355D2A46EAA" xlink:to="lab_iart_DebtCovenantPeriod1Member_4F65C18D8CE715ED8925F355D2A46EAA" xlink:type="arc" />
    <link:label id="lab_iart_DebtCovenantPeriod2Member_7643AF1762C66D6EF4FBF355D2A5847C_terseLabel_en-US" xlink:label="lab_iart_DebtCovenantPeriod2Member_7643AF1762C66D6EF4FBF355D2A5847C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">June 30, 2019 through March 31, 2020</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iart_DebtCovenantPeriod2Member_7643AF1762C66D6EF4FBF355D2A5847C" xlink:to="lab_iart_DebtCovenantPeriod2Member_7643AF1762C66D6EF4FBF355D2A5847C" xlink:type="arc" />
    <link:label id="lab_iart_DebtCovenantPeriod3Member_ADF880BC3BC91A9DABDCF355D2A52D03_terseLabel_en-US" xlink:label="lab_iart_DebtCovenantPeriod3Member_ADF880BC3BC91A9DABDCF355D2A52D03" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">June 30, 2020 through March 31, 2021</link:label>
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    <link:label id="lab_iart_DebtCovenantPeriod4Member_52E4E04F98B0E7427E7CF355D2A5FC0E_terseLabel_en-US" xlink:label="lab_iart_DebtCovenantPeriod4Member_52E4E04F98B0E7427E7CF355D2A5FC0E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">June 30, 2021 and thereafter</link:label>
    <link:label id="lab_iart_DebtCovenantPeriod4Member_52E4E04F98B0E7427E7CF355D2A5FC0E_label_en-US" xlink:label="lab_iart_DebtCovenantPeriod4Member_52E4E04F98B0E7427E7CF355D2A5FC0E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Covenant Period 4 [Member]</link:label>
    <link:label id="lab_iart_DebtCovenantPeriod4Member_52E4E04F98B0E7427E7CF355D2A5FC0E_documentation_en-US" xlink:label="lab_iart_DebtCovenantPeriod4Member_52E4E04F98B0E7427E7CF355D2A5FC0E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Covenant Period 4 [Member]</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentLineItems_73BD7B95759E002E98B7F355D2A59EE4_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentLineItems_73BD7B95759E002E98B7F355D2A59EE4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Debt Instrument [Line Items]</link:label>
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    <link:label id="lab_us-gaap_DefinedBenefitPlanFundedStatusOfPlanAbstract_67DE85BB26718E681ECEF355D1D379DE_terseLabel_en-US" xlink:label="lab_us-gaap_DefinedBenefitPlanFundedStatusOfPlanAbstract_67DE85BB26718E681ECEF355D1D379DE" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Reconciliation Of Funded Status</link:label>
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    <link:label id="lab_us-gaap_PaymentsForProceedsFromShortTermInvestments_8BAB974B9E18FEE4069C5A1E43641D26_negatedLabel_en-US" xlink:label="lab_us-gaap_PaymentsForProceedsFromShortTermInvestments_8BAB974B9E18FEE4069C5A1E43641D26" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:type="resource" xml:lang="en-US">Proceeds from sale of short-term investments</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForProceedsFromShortTermInvestments" xlink:label="loc_us-gaap_PaymentsForProceedsFromShortTermInvestments_8BAB974B9E18FEE4069C5A1E43641D26" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_422EBEA6AF00F17FEF3A5A1E4364A542_terseLabel_en-US" xlink:label="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_422EBEA6AF00F17FEF3A5A1E4364A542" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Proceeds from note receivable</link:label>
    <link:label id="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_422EBEA6AF00F17FEF3A5A1E4364A542_label_en-US" xlink:label="lab_us-gaap_ProceedsFromCollectionOfNotesReceivable_422EBEA6AF00F17FEF3A5A1E4364A542" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Proceeds from Collection of Notes Receivable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromCollectionOfNotesReceivable" xlink:label="loc_us-gaap_ProceedsFromCollectionOfNotesReceivable_422EBEA6AF00F17FEF3A5A1E4364A542" xlink:type="locator" />
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    <link:label id="lab_srt_SegmentGeographicalDomain_76238D46FA377CE45CDA32632B232094_label_en-US" xlink:label="lab_srt_SegmentGeographicalDomain_76238D46FA377CE45CDA32632B232094" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Geographical [Domain]</link:label>
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    <link:label id="lab_stpr_NJ_DC778D5229A041B1941632632B234F24_terseLabel_en-US" xlink:label="lab_stpr_NJ_DC778D5229A041B1941632632B234F24" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">NEW JERSEY</link:label>
    <link:label id="lab_stpr_NJ_DC778D5229A041B1941632632B234F24_label_en-US" xlink:label="lab_stpr_NJ_DC778D5229A041B1941632632B234F24" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">NEW JERSEY</link:label>
    <link:loc xlink:href="https://xbrl.sec.gov/stpr/2018/stpr-2018-01-31.xsd#stpr_NJ" xlink:label="loc_stpr_NJ_DC778D5229A041B1941632632B234F24" xlink:type="locator" />
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    <link:label id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_34F85D9A3BDA6B8619A432632B24ABB9_terseLabel_en-US" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_34F85D9A3BDA6B8619A432632B24ABB9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Property Subject to or Available for Operating Lease [Axis]</link:label>
    <link:label id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_34F85D9A3BDA6B8619A432632B24ABB9_label_en-US" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseAxis_34F85D9A3BDA6B8619A432632B24ABB9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Subject to or Available for Operating Lease [Axis]</link:label>
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    <link:label id="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_E940902F48134FB997F932632B24C990_label_en-US" xlink:label="lab_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_E940902F48134FB997F932632B24C990" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Property Subject to or Available for Operating Lease [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain" xlink:label="loc_us-gaap_PropertySubjectToOrAvailableForOperatingLeaseDomain_E940902F48134FB997F932632B24C990" xlink:type="locator" />
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    <link:label id="lab_iart_FiveYearOptionLeaseFromNovember12032ThroughOctober312037Member_C79E601D82FCDAFFF33232632B24D00D_terseLabel_en-US" xlink:label="lab_iart_FiveYearOptionLeaseFromNovember12032ThroughOctober312037Member_C79E601D82FCDAFFF33232632B24D00D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Five Year Option Lease From November 1, 2032 Through October 31, 2037</link:label>
    <link:label id="lab_iart_FiveYearOptionLeaseFromNovember12032ThroughOctober312037Member_C79E601D82FCDAFFF33232632B24D00D_label_en-US" xlink:label="lab_iart_FiveYearOptionLeaseFromNovember12032ThroughOctober312037Member_C79E601D82FCDAFFF33232632B24D00D" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Five Year Option Lease From November12032 Through October312037 [Member]</link:label>
    <link:label id="lab_iart_FiveYearOptionLeaseFromNovember12032ThroughOctober312037Member_C79E601D82FCDAFFF33232632B24D00D_documentation_en-US" xlink:label="lab_iart_FiveYearOptionLeaseFromNovember12032ThroughOctober312037Member_C79E601D82FCDAFFF33232632B24D00D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Five-Year Option Lease From November 1, 2032 Through October 31, 2037 member</link:label>
    <link:loc xlink:href="iart-20191231.xsd#iart_FiveYearOptionLeaseFromNovember12032ThroughOctober312037Member" xlink:label="loc_iart_FiveYearOptionLeaseFromNovember12032ThroughOctober312037Member_C79E601D82FCDAFFF33232632B24D00D" xlink:type="locator" />
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    <link:label id="lab_iart_FiveYearOptionLeaseFromNovember12037ThroughOctober312042Member_8BB3A01E5EE7DDC3D9BC32632B240E2F_terseLabel_en-US" xlink:label="lab_iart_FiveYearOptionLeaseFromNovember12037ThroughOctober312042Member_8BB3A01E5EE7DDC3D9BC32632B240E2F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Five Year Option Lease From November 1, 2037 Through October 31, 2042</link:label>
    <link:label id="lab_iart_FiveYearOptionLeaseFromNovember12037ThroughOctober312042Member_8BB3A01E5EE7DDC3D9BC32632B240E2F_label_en-US" xlink:label="lab_iart_FiveYearOptionLeaseFromNovember12037ThroughOctober312042Member_8BB3A01E5EE7DDC3D9BC32632B240E2F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Five Year Option Lease From November12037 Through October312042 [Member]</link:label>
    <link:label id="lab_iart_FiveYearOptionLeaseFromNovember12037ThroughOctober312042Member_8BB3A01E5EE7DDC3D9BC32632B240E2F_documentation_en-US" xlink:label="lab_iart_FiveYearOptionLeaseFromNovember12037ThroughOctober312042Member_8BB3A01E5EE7DDC3D9BC32632B240E2F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Five-Year Option Lease From November 1, 2037 Through October 31, 2042 [Member]</link:label>
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    <link:label id="lab_iart_LesseeOperatingLeaseNumberOfRenewalOptions_BB4ECC4BC1085A457C8432632B25FE4E_terseLabel_en-US" xlink:label="lab_iart_LesseeOperatingLeaseNumberOfRenewalOptions_BB4ECC4BC1085A457C8432632B25FE4E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Number of renewal options (or more)</link:label>
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    <link:loc xlink:href="iart-20191231.xsd#iart_LesseeOperatingLeaseNumberOfRenewalOptions" xlink:label="loc_iart_LesseeOperatingLeaseNumberOfRenewalOptions_BB4ECC4BC1085A457C8432632B25FE4E" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OperatingLeaseExpense_C3D30E076731F79B7D5D32632B25A246_label_en-US" xlink:label="lab_us-gaap_OperatingLeaseExpense_C3D30E076731F79B7D5D32632B25A246" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Operating Lease, Expense</link:label>
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    <link:label id="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_2DDB7FEE2E9CD18FBA9832632B250D95_terseLabel_en-US" xlink:label="lab_us-gaap_FinanceLeaseLiabilityPaymentsDue_2DDB7FEE2E9CD18FBA9832632B250D95" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Future minimum lease payments, finance leases</link:label>
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    <link:label id="lab_us-gaap_LesseeOperatingLeaseTermOfContract_449837F582513CB8E3C532632B25B803_terseLabel_en-US" xlink:label="lab_us-gaap_LesseeOperatingLeaseTermOfContract_449837F582513CB8E3C532632B25B803" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Operating lease, term</link:label>
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    <link:label id="lab_iart_SwinglineLoanMember_067E2E01B468CC9711CB2BCA4A46365C_terseLabel_en-US" xlink:label="lab_iart_SwinglineLoanMember_067E2E01B468CC9711CB2BCA4A46365C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swingline Loan</link:label>
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    <link:label id="lab_us-gaap_DisaggregationOfRevenueLineItems_B8862286DFCD9D5BE6E1F355D31608D5_terseLabel_en-US" xlink:label="lab_us-gaap_DisaggregationOfRevenueLineItems_B8862286DFCD9D5BE6E1F355D31608D5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Disaggregation of Revenue [Line Items]</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_DisaggregationOfRevenueLineItems_B8862286DFCD9D5BE6E1F355D31608D5" xlink:to="lab_us-gaap_DisaggregationOfRevenueLineItems_B8862286DFCD9D5BE6E1F355D31608D5" xlink:type="arc" />
    <link:label id="lab_iart_ChangeInContractWithCustomerAssetRollForward_43D481EA1601ADE73AC9F355D31AF884_terseLabel_en-US" xlink:label="lab_iart_ChangeInContractWithCustomerAssetRollForward_43D481EA1601ADE73AC9F355D31AF884" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract Asset</link:label>
    <link:label id="lab_iart_ChangeInContractWithCustomerAssetRollForward_43D481EA1601ADE73AC9F355D31AF884_label_en-US" xlink:label="lab_iart_ChangeInContractWithCustomerAssetRollForward_43D481EA1601ADE73AC9F355D31AF884" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Contract With Customer, Asset [Roll Forward]</link:label>
    <link:label id="lab_iart_ChangeInContractWithCustomerAssetRollForward_43D481EA1601ADE73AC9F355D31AF884_documentation_en-US" xlink:label="lab_iart_ChangeInContractWithCustomerAssetRollForward_43D481EA1601ADE73AC9F355D31AF884" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change In Contract With Customer, Asset [Roll Forward]</link:label>
    <link:loc xlink:href="iart-20191231.xsd#iart_ChangeInContractWithCustomerAssetRollForward" xlink:label="loc_iart_ChangeInContractWithCustomerAssetRollForward_43D481EA1601ADE73AC9F355D31AF884" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ContractWithCustomerAssetNet_9192AD67122FBD05BA94F355D31A962E_periodStartLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetNet_9192AD67122FBD05BA94F355D31A962E" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Contract asset, Beginning of period</link:label>
    <link:label id="lab_us-gaap_ContractWithCustomerAssetNet_9192AD67122FBD05BA94F355D31A962E_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetNet_9192AD67122FBD05BA94F355D31A962E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract with Customer, Asset, after Allowance for Credit Loss</link:label>
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    <link:label id="lab_us-gaap_ContractWithCustomerAssetReclassifiedToReceivable_D82C292B592EC97A80FDF355D31AC5B1_negatedTerseLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerAssetReclassifiedToReceivable_D82C292B592EC97A80FDF355D31AC5B1" xlink:role="http://www.xbrl.org/2009/role/negatedTerseLabel" xlink:type="resource" xml:lang="en-US">Transferred to trade receivable of contract asset included in beginning of the year contract asset</link:label>
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    <link:label id="lab_iart_ContractWithCustomerAssetNetOfReclassifiedToReceivable_20B0C6D9E55D2CD91404F355D31AE6DD_terseLabel_en-US" xlink:label="lab_iart_ContractWithCustomerAssetNetOfReclassifiedToReceivable_20B0C6D9E55D2CD91404F355D31AE6DD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract asset, net of transferred to trade receivables on contracts during the period</link:label>
    <link:label id="lab_iart_ContractWithCustomerAssetNetOfReclassifiedToReceivable_20B0C6D9E55D2CD91404F355D31AE6DD_label_en-US" xlink:label="lab_iart_ContractWithCustomerAssetNetOfReclassifiedToReceivable_20B0C6D9E55D2CD91404F355D31AE6DD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract With Customer, Asset, Net Of Reclassified To Receivable</link:label>
    <link:label id="lab_iart_ContractWithCustomerAssetNetOfReclassifiedToReceivable_20B0C6D9E55D2CD91404F355D31AE6DD_documentation_en-US" xlink:label="lab_iart_ContractWithCustomerAssetNetOfReclassifiedToReceivable_20B0C6D9E55D2CD91404F355D31AE6DD" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Contract With Customer, Asset, Net Of Reclassified To Receivable</link:label>
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    <link:label id="lab_iart_ChangeInContractWithCustomerLiabilityRollForward_19E63580BD5E19DFB800F355D31BE8C1_terseLabel_en-US" xlink:label="lab_iart_ChangeInContractWithCustomerLiabilityRollForward_19E63580BD5E19DFB800F355D31BE8C1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract Liability</link:label>
    <link:label id="lab_iart_ChangeInContractWithCustomerLiabilityRollForward_19E63580BD5E19DFB800F355D31BE8C1_label_en-US" xlink:label="lab_iart_ChangeInContractWithCustomerLiabilityRollForward_19E63580BD5E19DFB800F355D31BE8C1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Change In Contract With Customer, Liability [Roll Forward]</link:label>
    <link:label id="lab_iart_ChangeInContractWithCustomerLiabilityRollForward_19E63580BD5E19DFB800F355D31BE8C1_documentation_en-US" xlink:label="lab_iart_ChangeInContractWithCustomerLiabilityRollForward_19E63580BD5E19DFB800F355D31BE8C1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Change In Contract With Customer, Liability [Roll Forward]</link:label>
    <link:loc xlink:href="iart-20191231.xsd#iart_ChangeInContractWithCustomerLiabilityRollForward" xlink:label="loc_iart_ChangeInContractWithCustomerLiabilityRollForward_19E63580BD5E19DFB800F355D31BE8C1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ContractWithCustomerLiability_1024C0BA47EFDD844A68F355D31BCBA7_periodStartLabel_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiability_1024C0BA47EFDD844A68F355D31BCBA7" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:type="resource" xml:lang="en-US">Contract liability, Beginning of Period</link:label>
    <link:label id="lab_us-gaap_ContractWithCustomerLiability_1024C0BA47EFDD844A68F355D31BCBA7_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiability_1024C0BA47EFDD844A68F355D31BCBA7" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract with Customer, Liability</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_ContractWithCustomerLiability_1024C0BA47EFDD844A68F355D31BCBA7" xlink:to="lab_us-gaap_ContractWithCustomerLiability_1024C0BA47EFDD844A68F355D31BCBA7" xlink:type="arc" />
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    <link:label id="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_712FD2A3C86B3DD238D3F355D31B32B2_label_en-US" xlink:label="lab_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_712FD2A3C86B3DD238D3F355D31B32B2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Contract with Customer, Liability, Revenue Recognized</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_712FD2A3C86B3DD238D3F355D31B32B2" xlink:type="locator" />
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    <link:loc xlink:href="iart-20191231.xsd#iart_ContractWithCustomerLiabilityNetOfRevenueRecognizedAndForeignCurrencyTranslation" xlink:label="loc_iart_ContractWithCustomerLiabilityNetOfRevenueRecognizedAndForeignCurrencyTranslation_0991CCB808DF9AE36300F355D31BC813" xlink:type="locator" />
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    <link:label id="lab_iart_ContractWithCustomerLiabilityIncreaseFromForeignCurrencyTranslation_C7F2903009B52B911983F355D31C3B0A_terseLabel_en-US" xlink:label="lab_iart_ContractWithCustomerLiabilityIncreaseFromForeignCurrencyTranslation_C7F2903009B52B911983F355D31C3B0A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Foreign currency translation</link:label>
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    <link:label id="lab_iart_AssetsAndLiabilitiesLesseeTableTextBlock_2CC4C6BEB09CE0B66161F355D1C13BC6_terseLabel_en-US" xlink:label="lab_iart_AssetsAndLiabilitiesLesseeTableTextBlock_2CC4C6BEB09CE0B66161F355D1C13BC6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplemental Balance Sheet Information</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_875357A15CF915483DB6356EAE72BCF2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_2C395A03C5DA6EEACC31356EAE723934_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_2C395A03C5DA6EEACC31356EAE723934" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Three</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_2C395A03C5DA6EEACC31356EAE723934" xlink:type="locator" />
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_8A65BA1BCF6DFDEDC5D1356EAE729CD7" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_8A65BA1BCF6DFDEDC5D1356EAE729CD7" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_8A65BA1BCF6DFDEDC5D1356EAE729CD7" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_3DAC0713A03F021AC96A356EAE721E17_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive_3DAC0713A03F021AC96A356EAE721E17" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected annual amortization expense, thereafter</link:label>
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    <link:label id="lab_us-gaap_CostOfGoodsAndServicesSoldAmortization_DD3807822DB98E3758A3356EAE72CA70_terseLabel_en-US" xlink:label="lab_us-gaap_CostOfGoodsAndServicesSoldAmortization_DD3807822DB98E3758A3356EAE72CA70" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Amortization of product technology</link:label>
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