<SEC-DOCUMENT>0001022079-19-000104-index.html : 20190403
<SEC-HEADER>0001022079-19-000104.hdr.sgml : 20190403
<ACCEPTANCE-DATETIME>20190403164226
ACCESSION NUMBER:		0001022079-19-000104
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190401
FILED AS OF DATE:		20190403
DATE AS OF CHANGE:		20190403

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			DEPPE MICHAEL J
		CENTRAL INDEX KEY:			0001771759

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12215
		FILM NUMBER:		19729573

	MAIL ADDRESS:	
		STREET 1:		500 PLAZA DRIVE
		STREET 2:		C/O QUEST DIAGNOSTICS
		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>3
<SEQUENCE>1
<FILENAME>wf-form3_155432412710139.xml
<DESCRIPTION>FORM 3
<TEXT>
Document 1 - file: wf-form3_155432412710139.html

Document 1 - RAW XML: wf-form3_155432412710139.xml

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>powerofattorneydeppe.htm
<DESCRIPTION>POWER OF ATTORNEY
<TEXT>
Document 2 - file: powerofattorneydeppe.htm

</DOCUMENT>
</SEC-DOCUMENT>