No. The Cue Health App will attempt to troubleshoot any issues with a Cue test. Follow the instructions on the app screen. When you receive an invalid or cancelled test result, you cannot reuse the Cue Cartridge or the Cue Sample Wand. Dispose of the used Cartridge with the Wand still inserted in your household or general trash. Use a new Cartridge and Wand and select START RETEST NOW on the Cue Health App.