1 EXHIBIT 21.1 LIST OF SUBSIDIARIES AS OF SEPTEMBER 21, 2001 NAME OF SUBSIDIARY STATE OR JURISDICTION OF INCORPORATION % OF OWNERSHIP ------------------ -------------------------------------- -------------- Inverness Medical, Inc. ("IMI") State of Delaware 100% Inverness Medical Canada Inc. Canada 100% (sub of IMI) Cambridge Diagnostics Ireland Ltd. Ireland 100% Inverness Medical Benelux Bvba(1) Belgium 100% Cambridge Affiliate Corporation State of Delaware 49% (51% owned by BioMerieux) Selfhelp Israel, Ltd. Israel 100% (no operations) Orgenics, Ltd.(2) Israel 100% (direct & indirect) Orgenics International Holdings B.V.(3) The Netherlands 100% Selfcare Technology, Inc.(4) State of Delaware 100% -------------- (1) Formerly known as Bvba Selfcare Benelux sprl. (2) Orgenics, Ltd. has subsidiaries in France (Orgenics France S.A., 100% owned), Brazil (Do Brasil Ltda, and Orgenics Reagentes Para Laboratorios Ltda, both 100% owned), Colombia (Orgenics Colombia-branch, 100% owned) and Israel (Orgenics Biosensors Ltd, 86% owned). (3) Only material assets are the shares of Orgenics, Ltd. that it owns. (4) Owns 50% (Joint Venture) of PBM-Selfcare, LLC.