<SEC-DOCUMENT>0000947871-15-000344-index.html : 20150504
<SEC-HEADER>0000947871-15-000344.hdr.sgml : 20150504
<ACCEPTANCE-DATETIME>20150504124054
ACCESSION NUMBER:		0000947871-15-000344
CONFORMED SUBMISSION TYPE:	DEFA14A
PUBLIC DOCUMENT COUNT:		19
FILED AS OF DATE:		20150504
DATE AS OF CHANGE:		20150504
EFFECTIVENESS DATE:		20150504

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:		DEFA14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12215
		FILM NUMBER:		15827414

	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>DEFA14A
<SEQUENCE>1
<FILENAME>ss428306_defa14a.htm
<DESCRIPTION>DEFINITIVE ADDITIONAL MATERIALS
<TEXT>
Document 1 - file: ss428306_defa14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>slide_1.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: slide_1.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>slide_2.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: slide_2.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>slide_3.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: slide_3.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>slide_4.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: slide_4.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>6
<FILENAME>slide_5.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 6 - file: slide_5.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>7
<FILENAME>slide_6.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 7 - file: slide_6.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>8
<FILENAME>slide_7.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 8 - file: slide_7.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>9
<FILENAME>slide_8.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 9 - file: slide_8.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>10
<FILENAME>slide_9.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 10 - file: slide_9.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>11
<FILENAME>slide_10.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 11 - file: slide_10.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>12
<FILENAME>slide_11.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 12 - file: slide_11.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>13
<FILENAME>slide_12.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 13 - file: slide_12.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>14
<FILENAME>slide_13.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 14 - file: slide_13.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>15
<FILENAME>slide_14.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 15 - file: slide_14.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>16
<FILENAME>slide_15.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 16 - file: slide_15.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>17
<FILENAME>slide_16.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 17 - file: slide_16.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>18
<FILENAME>slide_17.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 18 - file: slide_17.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>19
<FILENAME>slide_18.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 19 - file: slide_18.jpg

</DOCUMENT>
</SEC-DOCUMENT>