Since the launch of its Flowflex COVID-19 Antigen Home Test, ACON Laboratories, Inc. has continued testing for product stability to extend the shelf-life. These results have been shared with the FDA. We are pleased to announce that the request to extend the Flowflex COVID-19 Antigen Home Test shelf-life from 12 months to 24 months, when stored at 36-86°F (2-30°C), has been granted.
The Flowflex COVID-19 Antigen Home Test has an expiration date that is extended by 12 months. Refer to the table for the new expiration date using the lot number printed on the test kit box.
| Lot Number Range | New Expiration Date |
| COV1100041 to COV1100088 | October 2023 |
| COV1110071 to COV1110266 | November 2023 |
| COV1120041 to COV1125011 | December 2023 |
| COV2010001 to COV2010100 | January 2024 |
| COV2020003 to COV2030010 | February 2024 |
| COV2030011 to COV2030023 | March 2024 |
Future shelf-life expiration date extensions will be communicated as they become available.
If you have questions, please contact customer support at 1 (800) 838 9502.