UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                  SCHEDULE 13D


                    Under the Securities Exchange Act of 1934

                               (Amendment No. 2)


                               Pharmanetics, Inc.
                        --------------------------------
                                (Name of Issuer)

                                  Common Stock
                                  ------------
                         (Title of Class of Securities)

                                    71713J107
                                 (CUSIP Number)

                            Gregory Maloblocki, Esq.
                               Bayer Corporation
                                63 North Street
                                 Medfield, MA
                                  02052-1688

                                with a copy to:
                             Marilyn Mooney, Esq.
                           Fulbright & Jaworski L.L.P.
                           801 Pennsylvania Avenue, NW
                           Washington, D.C.  20004-2623
             ------------------------------------------------------
                  (Name, Address and Telephone Number of Person
               Authorized to Receive Notices and Communications)

                                 October 10, 2003
             -------------------------------------------------------
             (Date of Event which Requires Filing of this Statement)

If the filing person has previously  filed a statement on Schedule 13G to report
the  acquisition  that is the subject of this  Schedule  13D, and is filing this
schedule because of ss.ss. 240.13d-1(e),  240.13d-1(f),  or 240.13d-1(g),  check
the following box. [ ]

Note:  Schedules  filed in paper format shall include a signed original and five
copies of this  Schedule,  including all exhibits.  See Rule 240.13d-7 for other
parties to whom copies are to be sent.

*The  remainder of this cover page shall be filled out for a reporting  person's
initial filing on this form with respect to the subject class of securities, and
for  any  subsequent   amendment   containing   information  which  would  alter
disclosures provided in a prior cover page.

The information required on the remainder of this cover page shall not be deemed
to be "filed" for the purpose of Section 18 of the  Securities  Exchange  Act of
1934 ("Act") or otherwise  subject to the liabilities of that section of the Act
but  shall be  subject  to all other  provisions  of the Act  (however,  see the
Notes).



CUSIP No.  71713J107                                        Page 2 of 6 Pages

1          NAME OF REPORTING PERSON
           I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
           Bayer Corporation

2          CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
           (a) | |
           (b) [ ]

3          SEC USE ONLY

4          SOURCE OF FUNDS

5          CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
           ITEMS 2(d) OR 2(e)
           [ ]

6          CITIZENSHIP OR PLACE OF ORGANIZATION
           Indiana

                            7        SOLE VOTING POWER
                                     0
        NUMBER OF
          SHARES            8        SHARED VOTING POWER
       BENEFICIALLY                  2,050,000
         OWNED BY
           EACH             9        SOLE DISPOSITIVE POWER
        REPORTING                    0
          PERSON
           WITH             10       SHARED DISPOSITIVE POWER
                                     2,050,000

11         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           2,050,000

12         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES SHARES
           [ ]

13         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
           20.9%

14         TYPE OF REPORTING PERSON
           CO



CUSIP No.  71713J107                                       Page 3 of 6 Pages

1          NAME OF REPORTING PERSON
           S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
           Bayer Aktiengesellshaft

2          CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
           (a) | |
           (b) [ ]

3          SEC USE ONLY

4          SOURCE OF FUNDS

5          CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
           ITEMS 2(d) OR 2(e)
           [ ]

6          CITIZENSHIP OR PLACE OF ORGANIZATION
           Federal Republic of Germany

                            7        SOLE VOTING POWER
                                     0
        NUMBER OF
          SHARES            8        SHARED VOTING POWER
       BENEFICIALLY                  2,050,000
         OWNED BY
           EACH             9        SOLE DISPOSITIVE POWER
        REPORTING                    0
          PERSON
           WITH             10       SHARED DISPOSITIVE POWER
                                     2,050,000

11         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
           2,050,000

12         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES SHARES
           [ ]

13         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
           20.9%

14         TYPE OF REPORTING PERSON
           CO



CUSIP No.  71713J107                                       Page 4 of 6 Pages

1          NAME OF REPORTING PERSON
           S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON
           Bayer HealthCare LLC

2          CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP
           (a) | |
           (b) [ ]

3          SEC USE ONLY

4          SOURCE OF FUNDS

5          CHECK BOX IF DISCLOSURE OF LEGAL PROCEEDINGS IS REQUIRED PURSUANT TO
           ITEMS 2(d) OR 2(e)
           [ ]

6          CITIZENSHIP OR PLACE OF ORGANIZATION
           Delaware

                            7        SOLE VOTING POWER
                                     0
        NUMBER OF
          SHARES            8        SHARED VOTING POWER
       BENEFICIALLY                  2,050,000
         OWNED BY
           EACH             9        SOLE DISPOSITIVE POWER
        REPORTING                    0
          PERSON
           WITH             10       SHARED DISPOSITIVE POWER
                                     2,050,000

11         AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

           2,050,000

12         CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (11) EXCLUDES SHARES
           [ ]

13         PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (11)
           20.9%

14         TYPE OF REPORTING PERSON
           00



CUSIP No.  71713J107                                       Page 5 of 6 Pages

Item 4.    Purpose of Transaction.

     On October 10, 2003, Bayer Corporation's (the "Company") representative
on the Issuer's board of directors resigned as a director.  Pursuant to the
Common Stock Purchase Agreement dated April 23, 2001 between the Company and
the Issuer, as amended April 30, 2003 (the "Agreement"), the Company is
entitled to designate a new nominee for election by the board of directors to
serve until the immediately succeeding annual meeting of shareholders.  The
Company has advised the Issuer that it does not currently plan to make such a
designation.  Such a decision, however, does not constitute a waiver of the
Company's rights to so designate in the future prior to the next meeting of
shareholders at which directors will be elected, nor does it preclude the
Company from exercising its rights under the Agreement to designate a director
nominee in connection with the Issuer's next meeting of shareholders at which
directors will be elected.



CUSIP No.  71713J107                                     Page 6 of 6 Pages



                                    Signature

    After  reasonable  inquiry and to the best of my  knowledge  and  belief, I
certify that the  information  set forth in this amendment to this statement is
true and correct.

Date:  October 14, 2003              BAYER CORPORATION


                                By:  /s/ Joseph A. Akers
                                     -------------------------
                                     Joseph A. Akers
                                     Executive Vice President,
                                     Chief Administrative and Financial Officer

                                     BAYER HEALTHCARE LLC


                                By:  /s/ Frank Wenzel
                                     ------------------------
                                     Frank Wenzel
                                     Vice President, Biltroller and
                                     Chief Accounting Officer



                                     BAYER AKTIENGESELLSHAFT


                                By:  /s/ Klaus Kuehn
                                     ------------------------
                                     Klaus Kuehn
                                     Member, Board of Management