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 RangeNew Expiration Date
COV1100041  to  COV1100088October 2023
COV1110071  to  COV1110266November 2023
COV1120041  to  COV1125011December 2023
COV2010001  to  COV2010100January 2024
COV2020003  to  COV2030010February 2024
COV2030011  to  COV2030023March 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.