Exhibit 32.2

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

     The undersigned officer of Hycor Biomedical Inc. (the “Company”) hereby certifies that the Company’s quarterly report on Form 10-Q for the quarter ended March 31, 2004 to which this certification is being furnished as an exhibit (the “Report”), as filed with the Securities and Exchange Commission on the date hereof, fully complies with the requirements of Section 13(a) or 15(d), as applicable, of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), and that the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. This certification is provided solely pursuant to 18 U.S.C. Section 1350 and Item 60(b)(32) of Regulation S-K (“Item 601(b)(32)”) promulgated under the Securities Act of 1933, as amended (the “Securities Act”), and the Exchange Act. In accordance with clause (ii) of Item 601(b)(32), this certification (A) shall not be deemed “filed” for purposes of Section 18 of the Exchange Act, or otherwise subject to the liability of that section, and (B) shall not be deemed to be incorporated by reference into any filing under the Securities Act or the Exchange Act, except to the extent that the Company specifically incorporates it by reference.

Date: May 14, 2004	By:	/s/ Reginald P. Jones
		Reginald P. Jones Vice President and Chief Financial Officer

A signed original of this written statement required by Section 906 has been provided to Hycor Biomedical Inc. and will be retained by Hycor Biomedical Inc. and furnished to the Securities and Exchange Commission or its staff upon request.