# FDA Warning Letter: USH Diagnostics, Inc./covidinstanttest.net
> 2021-08-10 · Center for Devices and Radiological Health · `5acfd1a0ba79dcc6`
## Letter
- **Company:** USH Diagnostics, Inc./covidinstanttest.net
- **Posted Date:** 2021-08-10
- **Letter Issue Date:** 2021-07-09
- **Issuing Office:** Center for Devices and Radiological Health
## Subject
Adulterated and Misbranded Products Related to Coronavirus Disease 2019 (COVID-19)
---
*Source: [FDA Warning Letters](https://www.fda.gov/inspections-compliance-enforcement-and-criminal-investigations/compliance-actions-and-activities/warning-letters) · AI Analytics · CC0 1.0*