<DOCUMENT>
<TYPE>EX-32
<SEQUENCE>4
<FILENAME>ex32.txt
<TEXT>
                                                                      Exhibit 32

                            CERTIFICATION PURSUANT TO
                 18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report of  ThermoGenesis  Corp. (the "Company")
on Form 10-Q for the period ended March 31, 2005,  as filed with the  Securities
and Exchange Commission on the date hereof (the "Report"), we, Philip H. Coelho,
Chief Executive Officer and Renee M. Ruecker,  Chief Financial  Officer,  of the
Company,  certify,  pursuant to 18 U.S.C.  Section 1350, as adopted  pursuant to
Section  906 of the  Sarbanes-Oxley  Act  of  2002,  that,  to the  best  of our
knowledge and belief:

                (1) the Report fully complies with the  requirements  of Section
          13(a) or 15(d) of the Securities Exchange Act of 1934; and

                (2) the information  contained in the Report fairly  presents,
          in all material respects,  the financial  condition and results of
          operations of the Company.

                                    /s/ Philip H. Coelho
Dated:   May 3, 2005                -------------------------------------
                                    Philip H. Coelho,
                                    Chief Executive Officer
                                    (Principal Executive Officer)

                                    /s/ Renee M. Ruecker
                                    -------------------------------------
                                    Renee M. Ruecker,
                                    Chief Financial Officer
                                    (Principal Financial and Accounting Officer)


</TEXT>
</DOCUMENT>
