<SEC-DOCUMENT>0001022079-15-000097-index.html : 20150601
<SEC-HEADER>0001022079-15-000097.hdr.sgml : 20150601
<ACCEPTANCE-DATETIME>20150601162924
ACCESSION NUMBER:		0001022079-15-000097
CONFORMED SUBMISSION TYPE:	4/A
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20150515
FILED AS OF DATE:		20150601
DATE AS OF CHANGE:		20150601

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:		3 GIRALDA FARMS
		CITY:			MADISON
		STATE:			NJ
		ZIP:			07940
		BUSINESS PHONE:		9735202700

	MAIL ADDRESS:	
		STREET 1:		3 GIRALDA FARMS
		CITY:			MADISON
		STATE:			NJ
		ZIP:			07940

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORNING CLINICAL LABORATORIES INC
		DATE OF NAME CHANGE:	19960903

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			LEIDEN JEFFREY M
		CENTRAL INDEX KEY:			0001242825

	FILING VALUES:
		FORM TYPE:		4/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12215
		FILM NUMBER:		15903754

	MAIL ADDRESS:	
		STREET 1:		40 LANDSDOWNE STREET
		CITY:			CAMBRIDGE
		STATE:			MA
		ZIP:			02139
</SEC-HEADER>
<DOCUMENT>
<TYPE>4/A
<SEQUENCE>1
<FILENAME>wf-form4a_143319055220937.xml
<DESCRIPTION>FORM 4/A
<TEXT>
Document 1 - file: wf-form4a_143319055220937.html

Document 1 - RAW XML: wf-form4a_143319055220937.xml

</DOCUMENT>
</SEC-DOCUMENT>