Each test kit is marked with a Use By date, found at the bottom of the box.
PLEASE NOTE: In April 2024, the FDA approved a shelf-life extension from 12-months to 18-months for Metrix COVID-19 tests. Any Metrix test with a listed expiration date of 2025-04-19 (April 19, 2025) or earlier will not expire until 6 months after the printed date.
Please visit https://www.fda.gov/media/177834/download to view the new expiration dates of your tests by lot number.