FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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(Print or Type Responses)

1. Name and Address of Reporting Person *   Simmons Wayne R. 2. Date of Event Requiring Statement (Month/Day/Year) 08/17/2007 3. Issuer Name and Ticker or Trading Symbol QUEST DIAGNOSTICS INC [DGX] (Last) (First) (Middle) 1290 WALL STREET WEST 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Vice President, Operations 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) LYNDHURST, NJ 07071 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Stock 988 D   Common Stock 583 I 401(k)/SDCP (1)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Option (right to buy)	02/19/2005	02/19/2014	Common Stock	48,000	$ 40.4275	D	Â
Stock Option (right to buy)	02/22/2006(2)	02/22/2012	Common Stock	32,000	$ 48.74	D	Â
Stock Option (right to buy)	02/15/2007(3)	02/15/2013	Common Stock	32,667	$ 52.235	D	Â
Stock option (right to buy)	05/03/2007(4)	05/03/2013	Common Stock	5,000	$ 54.85	D	Â
Stock Option (right to buy)	02/12/2008(5)	02/12/2014	Common Stock	32,000	$ 52.245	D	Â
Stock Option (right to buy)	08/16/2008(6)	08/16/2014	Common Stock	12,445	$ 53.19	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Simmons Wayne R. 1290 WALL STREET WEST LYNDHURST, NJ 07071	Â	Â	  Vice President, Operations	Â

Signatures

Leo C. Farrenkopf,Jr.,atty in fact for Wayne R. Simmons,		08/21/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	These underlying shares were acquired on a periodic basis by the trustee of the Company's Profit Sharing (401(k)) and Supplemental Deferred Compensation Plans. The information was obtained from the plan administrators as of a recent date. The number of shares is based on the account balances of the Company stock fund under the plans (which include some money market instruments), divided by the market price of the Company's stock as of that date.
(2)	The stock option, which was granted on 2/22/2005, vests in three equal annual installments, beginning on the anniversary date of the grant.
(3)	The stock option, which was granted on 2/15/2006, vests in three equal annual installments, beginning on the anniversary date of the grant.
(4)	The stock option, which was granted on 5/3/2006, vests in three equal annual installments, beginning on the anniversary date of the grant.
(5)	The stock option, which was granted on 2/12/2007, vests in three equal annual installments, beginning on the anniversary date of the grant.
(6)	The stock option, which was granted on 8/16/2007, vests in three equal annual installments, beginning on the anniversary date of the grant.

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