<SEC-DOCUMENT>0001022079-16-000261-index.html : 20160513
<SEC-HEADER>0001022079-16-000261.hdr.sgml : 20160513
<ACCEPTANCE-DATETIME>20160513075314
ACCESSION NUMBER:		0001022079-16-000261
CONFORMED SUBMISSION TYPE:	S-3ASR
PUBLIC DOCUMENT COUNT:		5
FILED AS OF DATE:		20160513
DATE AS OF CHANGE:		20160513
EFFECTIVENESS DATE:		20160513

FILER:

	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

	FILING VALUES:
		FORM TYPE:		S-3ASR
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-211336
		FILM NUMBER:		161645904

	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
</SEC-HEADER>
<DOCUMENT>
<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>dgx2016s-3asr.htm
<DESCRIPTION>S-3ASR
<TEXT>
Document 1 - file: dgx2016s-3asr.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>dgx2016s-3asrexhibit51.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
Document 2 - file: dgx2016s-3asrexhibit51.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-12.1
<SEQUENCE>3
<FILENAME>dgx2016s-3asrexhibit121.htm
<DESCRIPTION>EXHIBIT 12.1
<TEXT>
Document 3 - file: dgx2016s-3asrexhibit121.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>4
<FILENAME>dgx2016s-3asrexhibit232.htm
<DESCRIPTION>EXHIBIT 23.2
<TEXT>
Document 4 - file: dgx2016s-3asrexhibit232.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>EX-25.1
<SEQUENCE>5
<FILENAME>dgx2016s-3asrexhibit251.htm
<DESCRIPTION>EXHIBIT 25.1
<TEXT>
Document 5 - file: dgx2016s-3asrexhibit251.htm

</DOCUMENT>
</SEC-DOCUMENT>