EXHIBIT 23.4 CONSENT OF ARTHUR ANDERSEN LLP, INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this Amendment No. 2 to the registration statement on Form S-4 of our report dated April 5, 2001, included in Inverness Medical Technology, Inc.'s Form 8-K/A filed on June 11, 2001 and to all references to our Firm included in this registration statement. /s/ Arthur Andersen LLP Boston, Massachusetts October 18, 2001