CAtenA has been tested in three countries, including Turkey, Italy, and Uzbekistan, with 21 PCR COVID-19 laboratories. As of November 30, 2020, CAtenA has evaluated around 4.5 million PCR test results, and the results were sent to LIMS while the working files are currently stored on CAtenA. During the preliminary evaluation of 4,448,736 PCR test results, CAtenA achieved an accuracy rate of 97.96%, indicating that CAtenA and the expert made the same decision at an extremely high rate. As a SaS service, CAtenA is provided to users without additional costs. CAtenA can evaluate 96 test results in approximately 2.5 minutes and has been successfully used in laboratories in Turkey that conduct up to 12,000 tests per day. Still, it can process more than 1 million test results per day. It is important to note that CAtenA contains no health data besides the well barcode number.