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    <link:label id="lab_icui_AccruedProductFieldAction._5510B2B2BEE186FD54453C3D950D4E7B_documentation_en-US" xlink:label="lab_icui_AccruedProductFieldAction._5510B2B2BEE186FD54453C3D950D4E7B" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accrued Product Field Action.</link:label>
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    <link:label id="lab_icui_ThirdpartyInventory_DA9C98433AC308522C813C3D950DCE5A_terseLabel_en-US" xlink:label="lab_icui_ThirdpartyInventory_DA9C98433AC308522C813C3D950DCE5A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Third-party Inventory</link:label>
    <link:label id="lab_icui_ThirdpartyInventory_DA9C98433AC308522C813C3D950DCE5A_label_en-US" xlink:label="lab_icui_ThirdpartyInventory_DA9C98433AC308522C813C3D950DCE5A" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Third-party Inventory</link:label>
    <link:label id="lab_icui_ThirdpartyInventory_DA9C98433AC308522C813C3D950DCE5A_documentation_en-US" xlink:label="lab_icui_ThirdpartyInventory_DA9C98433AC308522C813C3D950DCE5A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Third-party Inventory</link:label>
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    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_icui_ThirdpartyInventory_DA9C98433AC308522C813C3D950DCE5A" xlink:to="lab_icui_ThirdpartyInventory_DA9C98433AC308522C813C3D950DCE5A" xlink:type="arc" />
    <link:label id="lab_icui_Consignedinventory_8969E57C91B7A7EE25983C3D950D3178_terseLabel_en-US" xlink:label="lab_icui_Consignedinventory_8969E57C91B7A7EE25983C3D950D3178" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Consigned inventory</link:label>
    <link:label id="lab_icui_Consignedinventory_8969E57C91B7A7EE25983C3D950D3178_label_en-US" xlink:label="lab_icui_Consignedinventory_8969E57C91B7A7EE25983C3D950D3178" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Consigned inventory</link:label>
    <link:label id="lab_icui_Consignedinventory_8969E57C91B7A7EE25983C3D950D3178_documentation_en-US" xlink:label="lab_icui_Consignedinventory_8969E57C91B7A7EE25983C3D950D3178" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Consigned inventory</link:label>
    <link:loc xlink:href="icui-20180331.xsd#icui_Consignedinventory" xlink:label="loc_icui_Consignedinventory_8969E57C91B7A7EE25983C3D950D3178" xlink:type="locator" />
    <link:labelArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="loc_icui_Consignedinventory_8969E57C91B7A7EE25983C3D950D3178" xlink:to="lab_icui_Consignedinventory_8969E57C91B7A7EE25983C3D950D3178" xlink:type="arc" />
    <link:label id="lab_us-gaap_SalesAndExciseTaxPayableCurrentAndNoncurrent_B591C8270E9A3DD109DC3C3D950D5CE2_terseLabel_en-US" xlink:label="lab_us-gaap_SalesAndExciseTaxPayableCurrentAndNoncurrent_B591C8270E9A3DD109DC3C3D950D5CE2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Sales taxes</link:label>
    <link:label id="lab_us-gaap_SalesAndExciseTaxPayableCurrentAndNoncurrent_B591C8270E9A3DD109DC3C3D950D5CE2_label_en-US" xlink:label="lab_us-gaap_SalesAndExciseTaxPayableCurrentAndNoncurrent_B591C8270E9A3DD109DC3C3D950D5CE2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Sales and Excise Tax Payable</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SalesAndExciseTaxPayableCurrentAndNoncurrent" xlink:label="loc_us-gaap_SalesAndExciseTaxPayableCurrentAndNoncurrent_B591C8270E9A3DD109DC3C3D950D5CE2" xlink:type="locator" />
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    <link:label id="lab_us-gaap_RestructuringReserveCurrent_C9BEB0B1B4E1D7E782513C3D950D57E8_terseLabel_en-US" xlink:label="lab_us-gaap_RestructuringReserveCurrent_C9BEB0B1B4E1D7E782513C3D950D57E8" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Restructuring accrual</link:label>
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    <link:label id="lab_us-gaap_DeferredRevenueAndCreditsCurrent_74C9F9C353A09BA729813C3D950D68BD_terseLabel_en-US" xlink:label="lab_us-gaap_DeferredRevenueAndCreditsCurrent_74C9F9C353A09BA729813C3D950D68BD" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Deferred revenue</link:label>
    <link:label id="lab_us-gaap_DeferredRevenueAndCreditsCurrent_74C9F9C353A09BA729813C3D950D68BD_label_en-US" xlink:label="lab_us-gaap_DeferredRevenueAndCreditsCurrent_74C9F9C353A09BA729813C3D950D68BD" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Deferred Revenue and Credits, Current</link:label>
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    <link:label id="lab_icui_Accruedothertaxes_267E5606E01B2EA1A16F3C3D950DD849_terseLabel_en-US" xlink:label="lab_icui_Accruedothertaxes_267E5606E01B2EA1A16F3C3D950DD849" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued other taxes</link:label>
    <link:label id="lab_icui_Accruedothertaxes_267E5606E01B2EA1A16F3C3D950DD849_label_en-US" xlink:label="lab_icui_Accruedothertaxes_267E5606E01B2EA1A16F3C3D950DD849" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued other taxes</link:label>
    <link:label id="lab_icui_Accruedothertaxes_267E5606E01B2EA1A16F3C3D950DD849_documentation_en-US" xlink:label="lab_icui_Accruedothertaxes_267E5606E01B2EA1A16F3C3D950DD849" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accrued other taxes</link:label>
    <link:loc xlink:href="icui-20180331.xsd#icui_Accruedothertaxes" xlink:label="loc_icui_Accruedothertaxes_267E5606E01B2EA1A16F3C3D950DD849" xlink:type="locator" />
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    <link:label id="lab_us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent_3ED556686E067EA743F73C3D950D574C_terseLabel_en-US" xlink:label="lab_us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent_3ED556686E067EA743F73C3D950D574C" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued Professional Fees</link:label>
    <link:label id="lab_us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent_3ED556686E067EA743F73C3D950D574C_label_en-US" xlink:label="lab_us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent_3ED556686E067EA743F73C3D950D574C" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Accrued Professional Fees</link:label>
    <link:loc xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent" xlink:label="loc_us-gaap_AccruedProfessionalFeesCurrentAndNoncurrent_3ED556686E067EA743F73C3D950D574C" xlink:type="locator" />
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    <link:label id="lab_icui_Accruedlegalfees_3A7A55E16FCCB67E5A293C3D950D62A6_terseLabel_en-US" xlink:label="lab_icui_Accruedlegalfees_3A7A55E16FCCB67E5A293C3D950D62A6" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Legal accrual</link:label>
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    <link:label id="lab_icui_Accruedlegalfees_3A7A55E16FCCB67E5A293C3D950D62A6_documentation_en-US" xlink:label="lab_icui_Accruedlegalfees_3A7A55E16FCCB67E5A293C3D950D62A6" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accrued legal fees</link:label>
    <link:loc xlink:href="icui-20180331.xsd#icui_Accruedlegalfees" xlink:label="loc_icui_Accruedlegalfees_3A7A55E16FCCB67E5A293C3D950D62A6" xlink:type="locator" />
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    <link:label id="lab_icui_Outsidesalescommissions_DED5257722ED52E54CA13C3D950D5251_terseLabel_en-US" xlink:label="lab_icui_Outsidesalescommissions_DED5257722ED52E54CA13C3D950D5251" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Outside commissions</link:label>
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    <link:label id="lab_icui_Outsidesalescommissions_DED5257722ED52E54CA13C3D950D5251_documentation_en-US" xlink:label="lab_icui_Outsidesalescommissions_DED5257722ED52E54CA13C3D950D5251" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Outside sales commissions</link:label>
    <link:loc xlink:href="icui-20180331.xsd#icui_Outsidesalescommissions" xlink:label="loc_icui_Outsidesalescommissions_DED5257722ED52E54CA13C3D950D5251" xlink:type="locator" />
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    <link:label id="lab_us-gaap_ProductWarrantyAccrualClassifiedCurrent_61037101B77B8DEB7C2D3C3D950DC732_terseLabel_en-US" xlink:label="lab_us-gaap_ProductWarrantyAccrualClassifiedCurrent_61037101B77B8DEB7C2D3C3D950DC732" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Warranties and returns</link:label>
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    <link:label id="lab_icui_Accruedfreight_BCB3B27549927B9F82F03C3D950D414D_terseLabel_en-US" xlink:label="lab_icui_Accruedfreight_BCB3B27549927B9F82F03C3D950D414D" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Accrued freight</link:label>
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    <link:label id="lab_icui_Accruedfreight_BCB3B27549927B9F82F03C3D950D414D_documentation_en-US" xlink:label="lab_icui_Accruedfreight_BCB3B27549927B9F82F03C3D950D414D" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Accrued freight</link:label>
    <link:loc xlink:href="icui-20180331.xsd#icui_Accruedfreight" xlink:label="loc_icui_Accruedfreight_BCB3B27549927B9F82F03C3D950D414D" xlink:type="locator" />
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    <link:label id="lab_us-gaap_OtherAccruedLiabilitiesCurrent_C54FB3F79939163BAB333C3D950D25F5_terseLabel_en-US" xlink:label="lab_us-gaap_OtherAccruedLiabilitiesCurrent_C54FB3F79939163BAB333C3D950D25F5" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Other</link:label>
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    <link:label id="lab_icui_Liabilitiesforcontracts_88B344838A1746F9035B3C3D950D5095_terseLabel_en-US" xlink:label="lab_icui_Liabilitiesforcontracts_88B344838A1746F9035B3C3D950D5095" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Contract liabilities</link:label>
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