ARCHITECT Estradiol Reagent, each kit contains bottles of coated Microparticles and bottles of Conjugate; 400 Test Kit-list number 2K25-20 (4 x 100 tests) and 100 Test Kit-list number 2K25-25 (1 x 100 tests); Abbott Laboratories, Abbott Park, IL 60064-3500

Abbott initiated a field correction recall by letter dated 2/19/07 to all customers receiving the affected reagent. The accounts were informed of the incorrectly configured reagent kits. The accounts were requested to assess the inventory for the affected lots of reagents, inspect each kit and destroy any kits incorrectly configured, recording the number of kits inspected and the number of kits discarded on the customer reply form and faxing it to Abbott by 3/2/07, indicating that the letter was received and understood. Replacement kits will be issued for the number of kits destroyed, as indicated on the reply sheet. Customers requiring additional information were directed to contact Abbott Customer Service at 1-877-422-2688.