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# FDA Revokes 3 EUAs for No-longer-marketed Tests
- URL: https://www.fdaweb.com/fda-revokes-3-euas-for-no-longer-marketed-tests/
- Published: 2021-09-24T12:00:00.000Z
- Updated: 2026-09-14T17:16:04.000Z
- Author: David McFarland
- Tags: FDA Policy/General, #legacy-id-D5150217

*Federal Register* notice: FDA has announced it is revoking the emergency use authorizations issued to Gravity Diagnostics for the Gravity Diagnostics Covid–19 Assay, Materials and Machines Corporation of America for the MatMaCorp Covid–19 2SF Test, and Guardant Health for the Guardant-19\. The revocations are based on company requests because the tests are no longer being marketed/distributed. To view the notice, click [here](https://www.govinfo.gov/content/pkg/FR-2021-09-24/pdf/2021-20754.pdf?ref=fdaweb.com).