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                                                                   EXHIBIT 10.29

                      PROFESSIONAL SERVICES AGREEMENT 2002

THIS PROFESSIONAL SERVICES AGREEMENT ("Agreement") dated October 1, 2002 by and
between MEIDIAN BIOSCIENCE, INC. a United States corporation ("Meridian Inc.")
and Antonio Interno, an Italian resident ("Mr. Interno").

                                   WITNESSETH

         WHEREAS, Meridian Inc. requires the services of Mr. Interno to assist
it in certain marketing and business development activities throughout Europe;

         WHEREAS, Mr. Interno has the services and capabilities to assist
Meridian Inc. with its varied marketing and business development activities;

         NOW THEREFORE, in consideration of the mutual covenants contained
herein, the parties agree as follows:

1.       Services. Mr. Interno shall provide services to Meridian Inc. to assist
         in certain marketing and business development activities throughout
         Europe ("Services"). Mr. Interno has no authority to negotiate or
         conclude contracts on behalf of Meridian Inc. or its US subsidiaries.

2.       Fees. Meridian Inc. shall pay fees for the Services of 157,452 Euros.
         The fees shall be paid monthly. Meridian Inc. shall pay such monthly
         payment on the fifteenth (15th) business day of each month.

3.       Term. The term of this Agreement shall be for one year commencing on
         the date hereof and shall automatically be renewed for additional one
         (1) year terms unless either party shall terminate this Agreement with
         sixty (60) days prior written notice to the other party.

4.       Notice. All notices and other information to be given by either party
         shall be deemed given if transmitted by facsimile or in writing and
         deposited in the mail, postage prepaid, return receipt requested, and
         addressed to John A. Kraeutler, Meridian Bioscience, Inc., 3471 River
         Hills Drive, Cincinnati, OH 45244 and Antonio Interno, Via Solferino
         41, 20023 Cerro Maggiore, Milan, Italy.

5.       Amendments. No change, modification, termination, amendment or waiver
         of any provisions of this Agreement, nor consent to any departure
         therefrom, shall be of any force of effect unless the same is in a
         written instrument signed by all parties hereto. Any such consent,
         waiver, modification, termination or amendment shall be effective only
         in the specific instance and for the limited purpose of which it is
         given.

6.       Assignability. The parties hereto acknowledge and agree that neither
         this Agreement nor any of the rights, duties or obligations hereunder
         shall be assignable in whole or in part by Meridian Inc. or Mr. Interno
         without the prior written consent of the other party.

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IN WITNESS WHEREOF, the parties have executed this Agreement on the day and year
first above written.

                                         MERIDIAN BIOSCIENCE, INC.

                                         /s/ John A. Kraeutler
                                     -------------------------------------------
                                         By: John A. Kraeutler

                                         Its: President, Chief Operating Officer

                                                /s/ Antonio A. Interno
                                     -------------------------------------------
                                         By: Antonio Alessandro Interno