Sec Form 4 Filing - HAGEMANN ROBERT @ QUEST DIAGNOSTICS INC - 2012-04-02

FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP 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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1. Name and Address of Reporting Person HAGEMANN ROBERT 2. Issuer Name and Ticker or Trading Symbol QUEST DIAGNOSTICS INC [ DGX] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner X __ Officer (give title below) _____ Other (specify below) SVP & Chief Financial Officer (Last) (First) (Middle) C/O QUEST DIAGNOSTICS INCORPORATED, 3 GIRALDA FARMS 3. Date of Earliest Transaction (MM/DD/YY) 04/02/2012 (Street) MADISON, NJ07940 4. If Amendment, Date Original Filed (MM/DD/YY) 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 Acquired, Disposed of, or Beneficially Owned 1.Title of Security (Instr. 3) 2. Transaction Date (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 04/02/2012 M( 2 ) 46,666 A $ 40.4275 201,232 D Common Stock 04/02/2012 S( 2 ) 46,666 D $ 62 154,566 ( 3 ) D Common Stock 1,771 ( 4 ) I SDCP

Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned ( e.g. , puts, calls, warrants, options, convertible securities) 1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5) 6. Date Exercisable and Expiration Date (MM/DD/YY) 7. Title and Amount of Underlying Securities (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4) Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares Stock Options (Right to Buy) $ 40.4275 04/02/2012 M( 2 ) 46,666 ( 1 ) 02/19/2014 Common Stock 46,666 $ 0 93,334 D

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other HAGEMANN ROBERT C/O QUEST DIAGNOSTICS INCORPORATED 3 GIRALDA FARMS MADISON, NJ07940 SVP & Chief Financial Officer Signatures /s/ William J. O'Shaughnessy, Jr., Attorney in Fact for Robert Hagemann 04/03/2012 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The options vested in three annual installments on February 19, 2005, February 19, 2006 and February 19, 2007. ( 2 )The exercise and sale reported were effected pursuant to a Rule 10b5-1 sales plan adopted by the reporting person on January 26, 2012. ( 3 )The amount includes exempt purchases made under the Company's stock purchase plan. ( 4 )These underlying shares were acquired on a periodic basis by the trustee of the Company's Supplemental Deferred Compensation Plan. The information was obtained from the plan administrator as of a recent date. The number of shares is based on the account balance of the Company stock fund under the plan (which includes some money market instruments), divided by the market price of the Company's stock as of that date.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).

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