Quidel Corporation

Dipstick strep A test has potential for false positive results.

There are two windows on the test device, the control line window and the test results window. The line for the test results window were misaligned. In instances of positive test results, the positivite test line may not be visible/ hidden under the cassette of the test device thus potentially leading to a false negative result.

There are two windows on the test device, the control line window and the test results window. The line for the test results window were misaligned. In instances of positive test results, the positivite test line may not be visible/ hidden under the cassette of the test device thus potentially leading to a false negative result.

One lot of the Sofia 2 Flu + SARS Antigen FIA (Lot 709083) was labelled with incorrect expiration dates. The kits contain pouched cassettes labeled with an expiration date of May 31, 2025, however the correct expiration date for the pouches is September 12, 2024. The kits are labeled with an expiration date of April 30, 2025, however, the correct expiration date for the kits is September 12, 2024. The issue was discovered on November 28, 2023 by a supply chain employee who determined that the kits had expiration dates beyond the FDA authorized shelf life.

Kits with affected microtiter plates have the potential to produce low OD values, causing the run to fail, per the Validation requirements of the Package Insert.