-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
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 lUnV0CDKJrW4AiRVQ5bN+A==

<SEC-DOCUMENT>0000947871-02-000692.txt : 20020416
<SEC-HEADER>0000947871-02-000692.hdr.sgml : 20020416
ACCESSION NUMBER:		0000947871-02-000692
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		3
CONFORMED PERIOD OF REPORT:	20020401
ITEM INFORMATION:		Other events
ITEM INFORMATION:		Financial statements and exhibits
FILED AS OF DATE:		20020412

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:		02609048

	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>f8k_040902.txt
<DESCRIPTION>FORM 8-K CURRENT REPORT
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-4.1
<SEQUENCE>3
<FILENAME>ex4-1_040902.txt
<DESCRIPTION>THIRD SUPPLEMENTAL INDENTURE
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>4
<FILENAME>ex99-1_040902.txt
<DESCRIPTION>PRESS RELEASE
</DOCUMENT>
</SUBMISSION>