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    <link:label id="lab_us-gaap_SubsequentEventTypeAxis_1DDB2BFB46901CE95F5A9D4F2319D27C_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeAxis_1DDB2BFB46901CE95F5A9D4F2319D27C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Axis]</link:label>
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    <link:label id="lab_us-gaap_SubsequentEventTypeDomain_7AB5045DFDF42BF153699D4F231A7990_label_en-US" xlink:label="lab_us-gaap_SubsequentEventTypeDomain_7AB5045DFDF42BF153699D4F231A7990" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event Type [Domain]</link:label>
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    <link:label id="lab_us-gaap_SubsequentEventMember_72B6CAB95C49498D8B069D4F231AA6F0_terseLabel_en-US" xlink:label="lab_us-gaap_SubsequentEventMember_72B6CAB95C49498D8B069D4F231AA6F0" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Subsequent Event</link:label>
    <link:label id="lab_us-gaap_SubsequentEventMember_72B6CAB95C49498D8B069D4F231AA6F0_label_en-US" xlink:label="lab_us-gaap_SubsequentEventMember_72B6CAB95C49498D8B069D4F231AA6F0" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Subsequent Event [Member]</link:label>
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    <link:label id="lab_dei_LegalEntityAxis_43FC9522AB2D0E015F8D9D4F23177CCC_label_en-US" xlink:label="lab_dei_LegalEntityAxis_43FC9522AB2D0E015F8D9D4F23177CCC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Legal Entity [Axis]</link:label>
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    <link:label id="lab_dei_EntityDomain_09D215D689D276AA887B9D4F2318F369_label_en-US" xlink:label="lab_dei_EntityDomain_09D215D689D276AA887B9D4F2318F369" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Entity [Domain]</link:label>
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    <link:label id="lab_us-gaap_StatementScenarioAxis_FB51F356A752328ECAA39D4F2318E4CC_label_en-US" xlink:label="lab_us-gaap_StatementScenarioAxis_FB51F356A752328ECAA39D4F2318E4CC" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Scenario [Axis]</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iart_IndemnificationPeriodOneMember_92CE78843F39C94356949D4F23197213" xlink:to="lab_iart_IndemnificationPeriodOneMember_92CE78843F39C94356949D4F23197213" xlink:type="arc" />
    <link:label id="lab_iart_IndemnificationPeriodTwoMember_C9D682695A77A4F998259D4F231945B1_terseLabel_en-US" xlink:label="lab_iart_IndemnificationPeriodTwoMember_C9D682695A77A4F998259D4F231945B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Indemnification period - up to 3 years after close</link:label>
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    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_ContingentConsiderationByTypeAxis" xlink:label="loc_us-gaap_ContingentConsiderationByTypeAxis_B10011C25BD2AFE6125A9D4F231A9141" xlink:type="locator" />
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    <link:label id="lab_iart_CashConsiderationOneMember_023B7DC50C6F584836949D4F231B7567_terseLabel_en-US" xlink:label="lab_iart_CashConsiderationOneMember_023B7DC50C6F584836949D4F231B7567" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Cash Consideration One</link:label>
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    <link:label id="lab_iart_ImpairmentofIntangibleAssetsFinitelivedOutOfPeriodAdjustmentIncludedInOriginalImpairment_897045A40BDE0B597DCEC52B09CE1F41_label_en-US" xlink:label="lab_iart_ImpairmentofIntangibleAssetsFinitelivedOutOfPeriodAdjustmentIncludedInOriginalImpairment_897045A40BDE0B597DCEC52B09CE1F41" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Impairment of Intangible Assets, Finite-lived, Out Of Period Adjustment Included In Original Impairment</link:label>
    <link:label id="lab_iart_ImpairmentofIntangibleAssetsFinitelivedOutOfPeriodAdjustmentIncludedInOriginalImpairment_897045A40BDE0B597DCEC52B09CE1F41_documentation_en-US" xlink:label="lab_iart_ImpairmentofIntangibleAssetsFinitelivedOutOfPeriodAdjustmentIncludedInOriginalImpairment_897045A40BDE0B597DCEC52B09CE1F41" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Impairment of Intangible Assets, Finite-lived, Out Of Period Adjustment Included In Original Impairment</link:label>
    <link:loc xlink:href="iart-20180930.xsd#iart_ImpairmentofIntangibleAssetsFinitelivedOutOfPeriodAdjustmentIncludedInOriginalImpairment" xlink:label="loc_iart_ImpairmentofIntangibleAssetsFinitelivedOutOfPeriodAdjustmentIncludedInOriginalImpairment_897045A40BDE0B597DCEC52B09CE1F41" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iart_ImpairmentofIntangibleAssetsFinitelivedOutOfPeriodAdjustmentIncludedInOriginalImpairment_897045A40BDE0B597DCEC52B09CE1F41" xlink:to="lab_iart_ImpairmentofIntangibleAssetsFinitelivedOutOfPeriodAdjustmentIncludedInOriginalImpairment_897045A40BDE0B597DCEC52B09CE1F41" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_7346C8FD70139947BBFEC52B09CEA238_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_7346C8FD70139947BBFEC52B09CEA238" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Remaining net book value</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsNet_7346C8FD70139947BBFEC52B09CEA238_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsNet_7346C8FD70139947BBFEC52B09CEA238" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Net</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsNet" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsNet_7346C8FD70139947BBFEC52B09CEA238" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsNet_7346C8FD70139947BBFEC52B09CEA238" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsNet_7346C8FD70139947BBFEC52B09CEA238" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_370588F975C4E1F65B44C52B09CE9DA8_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_370588F975C4E1F65B44C52B09CE9DA8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected annual amortization expense, 2018</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_370588F975C4E1F65B44C52B09CE9DA8_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_370588F975C4E1F65B44C52B09CE9DA8" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_370588F975C4E1F65B44C52B09CE9DA8" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_370588F975C4E1F65B44C52B09CE9DA8" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_370588F975C4E1F65B44C52B09CE9DA8" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_03B7B5A1AB26B0403CD4C52B09CE8D35_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_03B7B5A1AB26B0403CD4C52B09CE8D35" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected annual amortization expense, 2019</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_03B7B5A1AB26B0403CD4C52B09CE8D35_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_03B7B5A1AB26B0403CD4C52B09CE8D35" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Two</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_03B7B5A1AB26B0403CD4C52B09CE8D35" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_03B7B5A1AB26B0403CD4C52B09CE8D35" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_03B7B5A1AB26B0403CD4C52B09CE8D35" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_179AEAD247D6E79E585CC52B09CF2F4C_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_179AEAD247D6E79E585CC52B09CF2F4C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected annual amortization expense, 2020</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_179AEAD247D6E79E585CC52B09CF2F4C_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_179AEAD247D6E79E585CC52B09CF2F4C" 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/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_179AEAD247D6E79E585CC52B09CF2F4C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_179AEAD247D6E79E585CC52B09CF2F4C" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_179AEAD247D6E79E585CC52B09CF2F4C" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_5945F8D1701F74DBC5ECC52B09CFA6C4_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_5945F8D1701F74DBC5ECC52B09CFA6C4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected annual amortization expense, 2021</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_5945F8D1701F74DBC5ECC52B09CFA6C4_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_5945F8D1701F74DBC5ECC52B09CFA6C4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Four</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_5945F8D1701F74DBC5ECC52B09CFA6C4" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_5945F8D1701F74DBC5ECC52B09CFA6C4" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_5945F8D1701F74DBC5ECC52B09CFA6C4" xlink:type="arc" />
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_B890060C37893D3C729EC52B09CFCAFB_terseLabel_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_B890060C37893D3C729EC52B09CFCAFB" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected annual amortization expense, 2022</link:label>
    <link:label id="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_B890060C37893D3C729EC52B09CFCAFB_label_en-US" xlink:label="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_B890060C37893D3C729EC52B09CFCAFB" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Five</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2018/elts/us-gaap-2018-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_B890060C37893D3C729EC52B09CFCAFB" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_B890060C37893D3C729EC52B09CFCAFB" xlink:to="lab_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_B890060C37893D3C729EC52B09CFCAFB" xlink:type="arc" />
    <link:label id="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix_CE41F1483F1C95E7577AC52B09CF800F_terseLabel_en-US" xlink:label="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix_CE41F1483F1C95E7577AC52B09CF800F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected annual amortization expense, 2023</link:label>
    <link:label id="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix_CE41F1483F1C95E7577AC52B09CF800F_label_en-US" xlink:label="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix_CE41F1483F1C95E7577AC52B09CF800F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Six</link:label>
    <link:label id="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix_CE41F1483F1C95E7577AC52B09CF800F_documentation_en-US" xlink:label="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix_CE41F1483F1C95E7577AC52B09CF800F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, Year Six</link:label>
    <link:loc xlink:href="iart-20180930.xsd#iart_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix" xlink:label="loc_iart_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix_CE41F1483F1C95E7577AC52B09CF800F" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iart_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix_CE41F1483F1C95E7577AC52B09CF800F" xlink:to="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseYearSix_CE41F1483F1C95E7577AC52B09CF800F" xlink:type="arc" />
    <link:label id="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearSix_40BF23CEC87E8C5A87F0C52B09D0824E_terseLabel_en-US" xlink:label="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearSix_40BF23CEC87E8C5A87F0C52B09D0824E" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Expected annual amortization expense, thereafter</link:label>
    <link:label id="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearSix_40BF23CEC87E8C5A87F0C52B09D0824E_label_en-US" xlink:label="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearSix_40BF23CEC87E8C5A87F0C52B09D0824E" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, After Year Six</link:label>
    <link:label id="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearSix_40BF23CEC87E8C5A87F0C52B09D0824E_documentation_en-US" xlink:label="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearSix_40BF23CEC87E8C5A87F0C52B09D0824E" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Finite-Lived Intangible Assets, Amortization Expense, After Year Six</link:label>
    <link:loc xlink:href="iart-20180930.xsd#iart_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearSix" xlink:label="loc_iart_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearSix_40BF23CEC87E8C5A87F0C52B09D0824E" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iart_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearSix_40BF23CEC87E8C5A87F0C52B09D0824E" xlink:to="lab_iart_FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearSix_40BF23CEC87E8C5A87F0C52B09D0824E" xlink:type="arc" />
    <link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1A4B7A9EC03A253EAF7A451AB9F77D34_terseLabel_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1A4B7A9EC03A253EAF7A451AB9F77D34" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Name [Axis]</link:label>
    <link:label id="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1A4B7A9EC03A253EAF7A451AB9F77D34_label_en-US" xlink:label="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1A4B7A9EC03A253EAF7A451AB9F77D34" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Name [Axis]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis" xlink:label="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1A4B7A9EC03A253EAF7A451AB9F77D34" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1A4B7A9EC03A253EAF7A451AB9F77D34" xlink:to="lab_srt_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis_1A4B7A9EC03A253EAF7A451AB9F77D34" xlink:type="arc" />
    <link:label id="lab_srt_EquityMethodInvesteeNameDomain_69899CFB45678D9097AC451AB9F72BE1_terseLabel_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain_69899CFB45678D9097AC451AB9F72BE1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Investment, Name [Domain]</link:label>
    <link:label id="lab_srt_EquityMethodInvesteeNameDomain_69899CFB45678D9097AC451AB9F72BE1_label_en-US" xlink:label="lab_srt_EquityMethodInvesteeNameDomain_69899CFB45678D9097AC451AB9F72BE1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Investment, Name [Domain]</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/srt/2018/elts/srt-2018-01-31.xsd#srt_EquityMethodInvesteeNameDomain" xlink:label="loc_srt_EquityMethodInvesteeNameDomain_69899CFB45678D9097AC451AB9F72BE1" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_srt_EquityMethodInvesteeNameDomain_69899CFB45678D9097AC451AB9F72BE1" xlink:to="lab_srt_EquityMethodInvesteeNameDomain_69899CFB45678D9097AC451AB9F72BE1" xlink:type="arc" />
    <link:label id="lab_iart_SwapOneMember_7F1714770DC560B64DD6451AB9F7183C_terseLabel_en-US" xlink:label="lab_iart_SwapOneMember_7F1714770DC560B64DD6451AB9F7183C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap One</link:label>
    <link:label id="lab_iart_SwapOneMember_7F1714770DC560B64DD6451AB9F7183C_label_en-US" xlink:label="lab_iart_SwapOneMember_7F1714770DC560B64DD6451AB9F7183C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap One [Member]</link:label>
    <link:label id="lab_iart_SwapOneMember_7F1714770DC560B64DD6451AB9F7183C_documentation_en-US" xlink:label="lab_iart_SwapOneMember_7F1714770DC560B64DD6451AB9F7183C" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Swap One [Member]</link:label>
    <link:loc xlink:href="iart-20180930.xsd#iart_SwapOneMember" xlink:label="loc_iart_SwapOneMember_7F1714770DC560B64DD6451AB9F7183C" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_iart_SwapOneMember_7F1714770DC560B64DD6451AB9F7183C" xlink:to="lab_iart_SwapOneMember_7F1714770DC560B64DD6451AB9F7183C" xlink:type="arc" />
    <link:label id="lab_iart_SwapTwoMember_0B3B21ACFB7F9381037B451AB9F736EA_terseLabel_en-US" xlink:label="lab_iart_SwapTwoMember_0B3B21ACFB7F9381037B451AB9F736EA" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Swap Two</link:label>
    <link:label id="lab_iart_SwapTwoMember_0B3B21ACFB7F9381037B451AB9F736EA_label_en-US" xlink:label="lab_iart_SwapTwoMember_0B3B21ACFB7F9381037B451AB9F736EA" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Swap Two [Member]</link:label>
    <link:label id="lab_iart_SwapTwoMember_0B3B21ACFB7F9381037B451AB9F736EA_documentation_en-US" xlink:label="lab_iart_SwapTwoMember_0B3B21ACFB7F9381037B451AB9F736EA" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Swap Two [Member]</link:label>
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    <link:label id="lab_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_085045D5BED472729E2F6A5C12A38E58_terseLabel_en-US" xlink:label="lab_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_085045D5BED472729E2F6A5C12A38E58" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred revenue</link:label>
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    <link:loc xlink:href="iart-20180930.xsd#iart_TrademarksBrandNamesMember" xlink:label="loc_iart_TrademarksBrandNamesMember_69FE316E7A62B198CD269BC22E170DC5" xlink:type="locator" />
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    <link:label id="lab_iart_SupplierRelationShipsMember_8D5975FA42D8CB9157819BC22E17CD94_terseLabel_en-US" xlink:label="lab_iart_SupplierRelationShipsMember_8D5975FA42D8CB9157819BC22E17CD94" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Supplier relationships</link:label>
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    <link:loc xlink:href="iart-20180930.xsd#iart_SupplierRelationShipsMember" xlink:label="loc_iart_SupplierRelationShipsMember_8D5975FA42D8CB9157819BC22E17CD94" xlink:type="locator" />
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    <link:label id="lab_iart_DebtCovenantPeriod1Member_866DDFEEDB8F8FD5339A861D4F4F7B1D_terseLabel_en-US" xlink:label="lab_iart_DebtCovenantPeriod1Member_866DDFEEDB8F8FD5339A861D4F4F7B1D" 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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