<SEC-DOCUMENT>0001209191-23-007501.txt : 20230207
<SEC-HEADER>0001209191-23-007501.hdr.sgml : 20230207
<ACCEPTANCE-DATETIME>20230207161511
ACCESSION NUMBER:		0001209191-23-007501
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20230204
FILED AS OF DATE:		20230207
DATE AS OF CHANGE:		20230207

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Kroll Werner
		CENTRAL INDEX KEY:			0001609320

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-41409
		FILM NUMBER:		23595266

	MAIL ADDRESS:	
		STREET 1:		12544 HIGH BLUFF DRIVE
		STREET 2:		SUITE 200
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92130

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QuidelOrtho Corp
		CENTRAL INDEX KEY:			0001906324
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		IRS NUMBER:				874496285
		FISCAL YEAR END:			0101

	BUSINESS ADDRESS:	
		STREET 1:		9975 SUMMERS RIDGE ROAD
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121
		BUSINESS PHONE:		(858) 552-1100

	MAIL ADDRESS:	
		STREET 1:		9975 SUMMERS RIDGE ROAD
		CITY:			SAN DIEGO
		STATE:			CA
		ZIP:			92121

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Coronado Topco, Inc.
		DATE OF NAME CHANGE:	20220124
</SEC-HEADER>
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<TYPE>4
<SEQUENCE>1
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<DESCRIPTION>FORM 4 SUBMISSION
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            <isTenPercentOwner>0</isTenPercentOwner>
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            <officerTitle>SVP, Research &amp; Development</officerTitle>
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    <footnotes>
        <footnote id="F1">Reflects release of restricted stock units that were previously reported on a Form 4.</footnote>
        <footnote id="F2">Disposition of shares, as set forth above, was in connection with the Issuer's withholding of common shares to satisfy tax withholding obligations related to the issuance of common shares upon release of restricted stock units.</footnote>
        <footnote id="F3">Each restricted stock unit represents the right to receive one share of QuidelOrtho Corporation common stock.</footnote>
        <footnote id="F4">3,925 shares vested on February 4, 2023.</footnote>
        <footnote id="F5">4,268 shares vested on February 4, 2023.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>/s/ Phillip S. Askim, attorney-in-fact for Werner Kroll</signatureName>
        <signatureDate>2023-02-07</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
