| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<!-- XBRL Document Created with Wdesk from Workiva --> |
<!-- Copyright 2021 Workiva --> |
<!-- r:2be44c18-5177-4e08-9146-4b23f3a8a104,g:5f1690b9-aed3-4074-93ba-b05e82962d1a --> |
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xbrldt="http://xbrl.org/2005/xbrldt" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd"> |
| <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/all" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#all"/> |
| <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#hypercube-dimension"/> |
| <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-default"/> |
| <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#dimension-domain"/> |
| <link:arcroleRef arcroleURI="http://xbrl.org/int/dim/arcrole/domain-member" xlink:type="simple" xlink:href="http://www.xbrl.org/2005/xbrldt-2005.xsd#domain-member"/> |
| <link:roleRef roleURI="http://www.quidel.com/role/DocumentandEntityInformationDocument" xlink:type="simple" xlink:href="qdel-20210218.xsd#DocumentandEntityInformationDocument"/> |
| <link:definitionLink xlink:role="http://www.quidel.com/role/DocumentandEntityInformationDocument" xlink:type="extended" id="i3cb8753282d843d5b808581b60bec3a5_DocumentandEntityInformationDocument"> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInformationLineItems"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_260e9886-6628-4135-bbb6-242752325af0" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_DocumentType_260e9886-6628-4135-bbb6-242752325af0" xlink:type="arc" order="0"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_0491c5d5-2943-4c7d-a115-5182282b0395" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_EntityEmergingGrowthCompany_0491c5d5-2943-4c7d-a115-5182282b0395" xlink:type="arc" order="1"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_c95127e4-75ae-43d9-a2f8-6960734a3859" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_EntityRegistrantName_c95127e4-75ae-43d9-a2f8-6960734a3859" xlink:type="arc" order="2"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_e86d55ba-2e2b-486d-98f3-a6c73a7a77af" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_EntityCentralIndexKey_e86d55ba-2e2b-486d-98f3-a6c73a7a77af" xlink:type="arc" order="3"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_99426af7-164f-41de-be06-af54ec98949b" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_DocumentPeriodEndDate_99426af7-164f-41de-be06-af54ec98949b" xlink:type="arc" order="4"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_3504cb44-c769-4935-a339-f3d82dbe5714" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_Security12bTitle_3504cb44-c769-4935-a339-f3d82dbe5714" xlink:type="arc" order="5"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_5d492253-ff95-4260-acdf-6ed488f34a81" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_EntityIncorporationStateCountryCode_5d492253-ff95-4260-acdf-6ed488f34a81" xlink:type="arc" order="6"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_d3e3a2c6-66c7-40f6-ad42-1d36df691cba" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_EntityFileNumber_d3e3a2c6-66c7-40f6-ad42-1d36df691cba" xlink:type="arc" order="7"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_ada477f1-8c29-4472-bb6d-90093d4efe96" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_TradingSymbol_ada477f1-8c29-4472-bb6d-90093d4efe96" xlink:type="arc" order="8"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_89a17f95-707f-43c6-b03e-c5e6d1a2c2f8" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_SecurityExchangeName_89a17f95-707f-43c6-b03e-c5e6d1a2c2f8" xlink:type="arc" order="9"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_e515e475-f05d-48a2-a2bb-73ea30bf3518" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_AmendmentFlag_e515e475-f05d-48a2-a2bb-73ea30bf3518" xlink:type="arc" order="10"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_WrittenCommunications_fe9fa3de-9f2d-4724-94b6-9be5ae325d03" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_WrittenCommunications"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_WrittenCommunications_fe9fa3de-9f2d-4724-94b6-9be5ae325d03" xlink:type="arc" order="11"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_SolicitingMaterial_d331979e-5b4a-4482-a728-2e84d9510821" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SolicitingMaterial"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_SolicitingMaterial_d331979e-5b4a-4482-a728-2e84d9510821" xlink:type="arc" order="12"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementTenderOffer_19ececd6-aa8e-4b89-a168-2b552c9b9ab0" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_PreCommencementTenderOffer"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_PreCommencementTenderOffer_19ececd6-aa8e-4b89-a168-2b552c9b9ab0" xlink:type="arc" order="13"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_PreCommencementIssuerTenderOffer_45ef5792-0c75-45f4-ac7f-e01d029adb24" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_PreCommencementIssuerTenderOffer"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_PreCommencementIssuerTenderOffer_45ef5792-0c75-45f4-ac7f-e01d029adb24" xlink:type="arc" order="14"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_959eaf0e-76eb-45de-b3bd-3a49209a3c83" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_EntityTaxIdentificationNumber_959eaf0e-76eb-45de-b3bd-3a49209a3c83" xlink:type="arc" order="15"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_bba78a01-fb75-4ce4-a48b-3c96249924e6" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_EntityAddressAddressLine1_bba78a01-fb75-4ce4-a48b-3c96249924e6" xlink:type="arc" order="16"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_e94b09a6-7808-4f4c-bd8c-f5cbdf046b4c" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_EntityAddressStateOrProvince_e94b09a6-7808-4f4c-bd8c-f5cbdf046b4c" xlink:type="arc" order="17"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_5537b112-51b2-4e15-baff-fb3bb60cd55f" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_EntityAddressPostalZipCode_5537b112-51b2-4e15-baff-fb3bb60cd55f" xlink:type="arc" order="18"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_3e13e9c8-f449-4a46-98e6-0bf5f6025aa2" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_CityAreaCode_3e13e9c8-f449-4a46-98e6-0bf5f6025aa2" xlink:type="arc" order="19"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_42016d37-ed9b-494e-8ee9-8d2103f4f188" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_LocalPhoneNumber_42016d37-ed9b-494e-8ee9-8d2103f4f188" xlink:type="arc" order="20"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_4660758b-7ddb-48d5-9ea1-0f0ff8791cfb" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/domain-member" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_EntityAddressCityOrTown_4660758b-7ddb-48d5-9ea1-0f0ff8791cfb" xlink:type="arc" order="21"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntitiesTable_bd40be88-e88e-4614-ab53-c4f2a30c2d7a" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitiesTable"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/all" xlink:from="loc_dei_EntityInformationLineItems_02228c8c-d210-43cd-9ec2-6356e1814ba8" xlink:to="loc_dei_EntitiesTable_bd40be88-e88e-4614-ab53-c4f2a30c2d7a" xlink:type="arc" order="1" xbrldt:closed="true" xbrldt:contextElement="segment"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressesAddressTypeAxis_4e341915-4f26-4c5c-b210-3882d8fb7baf" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressesAddressTypeAxis"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/hypercube-dimension" xlink:from="loc_dei_EntitiesTable_bd40be88-e88e-4614-ab53-c4f2a30c2d7a" xlink:to="loc_dei_EntityAddressesAddressTypeAxis_4e341915-4f26-4c5c-b210-3882d8fb7baf" xlink:type="arc" order="1"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain_4e341915-4f26-4c5c-b210-3882d8fb7baf_default" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AddressTypeDomain"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-default" xlink:from="loc_dei_EntityAddressesAddressTypeAxis_4e341915-4f26-4c5c-b210-3882d8fb7baf" xlink:to="loc_dei_AddressTypeDomain_4e341915-4f26-4c5c-b210-3882d8fb7baf_default" xlink:type="arc" order="1"/> |
| | <link:loc xlink:type="locator" xlink:label="loc_dei_AddressTypeDomain_414b0997-df42-4aab-b621-c80fe1849dce" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AddressTypeDomain"/> |
| | <link:definitionArc xlink:arcrole="http://xbrl.org/int/dim/arcrole/dimension-domain" xlink:from="loc_dei_EntityAddressesAddressTypeAxis_4e341915-4f26-4c5c-b210-3882d8fb7baf" xlink:to="loc_dei_AddressTypeDomain_414b0997-df42-4aab-b621-c80fe1849dce" xlink:type="arc" order="1"/> |
| | </link:definitionLink> |
| </link:linkbase> |