EXHIBIT 32.2

                            CERTIFICATION PURSUANT TO
            SECTION 1350, CHAPTER 63 OF TITLE 18, UNITED STATES CODE,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

      Pursuant to Section 1350, Chapter 63 of Title 18, United States Code, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the
undersigned, as chief financial officer of ViaCell, Inc. (the "Company"), does
hereby certify that to the undersigned's knowledge:

      (1) the Company's Form 10-K for the period ended December 31, 2005 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 Company's Form 10-K for the period
         ended December 31, 2005 fairly presents, in all material respects, the
         financial condition and results of operations of the Company.

Date: March 31, 2006

                              /s/ Stephen G. Dance
                             -----------------------------
                                Stephen G. Dance
                             Chief Financial Officer