<SEC-DOCUMENT>0001022079-20-000029-index.html : 20200220
<SEC-HEADER>0001022079-20-000029.hdr.sgml : 20200220
<ACCEPTANCE-DATETIME>20200220203415
ACCESSION NUMBER:		0001022079-20-000029
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20200218
FILED AS OF DATE:		20200220
DATE AS OF CHANGE:		20200220

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Mendez Manuel O.
		CENTRAL INDEX KEY:			0001475995

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12215
		FILM NUMBER:		20637143

	MAIL ADDRESS:	
		STREET 1:		500 PLAZA DRIVE
		CITY:			SECAUCUS
		STATE:			NJ
		ZIP:			07094

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			QUEST DIAGNOSTICS INC
		CENTRAL INDEX KEY:			0001022079
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		IRS NUMBER:				161387862
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		500 PLAZA DRIVE
		CITY:			SECAUCUS
		STATE:			NJ
		ZIP:			07094
		BUSINESS PHONE:		9735202700

	MAIL ADDRESS:	
		STREET 1:		500 PLAZA DRIVE
		CITY:			SECAUCUS
		STATE:			NJ
		ZIP:			07094

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORNING CLINICAL LABORATORIES INC
		DATE OF NAME CHANGE:	19960903
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>wf-form4_158224883793698.xml
<DESCRIPTION>FORM 4
<TEXT>
Document 1 - file: wf-form4_158224883793698.html

Document 1 - RAW XML: wf-form4_158224883793698.xml

</DOCUMENT>
</SEC-DOCUMENT>