-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 L++6lUw98/Nk/ZQLcbVbeai0I7qmByVPCdJkFSEFIBAPUk0DGkVALqRBtR2WcSfZ
 PvRbhbUGnzXC/rhHvDwRQQ==

<SEC-DOCUMENT>0000950117-06-001796.txt : 20060420
<SEC-HEADER>0000950117-06-001796.hdr.sgml : 20060420
<ACCEPTANCE-DATETIME>20060420080519
ACCESSION NUMBER:		0000950117-06-001796
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20060419
ITEM INFORMATION:		Results of Operations and Financial Condition
ITEM INFORMATION:		Cost Associated with Exit or Disposal Activities
ITEM INFORMATION:		Material Impairments
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20060420
DATE AS OF CHANGE:		20060420

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:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-12215
		FILM NUMBER:		06768619

	BUSINESS ADDRESS:	
		STREET 1:		ONE MALCOLM AVE
		CITY:			TETERBORO
		STATE:			NJ
		ZIP:			07608
		BUSINESS PHONE:		2013935000

	MAIL ADDRESS:	
		STREET 1:		ONE MALCOLM AVE
		CITY:			TETERBORO
		STATE:			NJ
		ZIP:			07601

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CORNING CLINICAL LABORATORIES INC
		DATE OF NAME CHANGE:	19960903
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a41829.htm
<DESCRIPTION>QUEST DIAGNOSTICS INCORPORATED
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99
<SEQUENCE>2
<FILENAME>ex99-1.htm
<DESCRIPTION>EXHIBIT 99.1
</DOCUMENT>
</SUBMISSION>