BTNX COVID-19 Antigen Rapid Test Device

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  • Regular price $293.75
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Disclaimer: At this time, COVID-19 rapid tests sold by RxBIO are intended for use by health care professionals or trained laboratory personnel only. By completing this transaction, you are acknowledging that the administration of the tests will only be completed by the above person(s). RxBIO is not liable for off-label use of this product in any way.

Each BTNX COVID-19 Antigen Rapid Test box contains 25 tests ($11.75 per test - Volume based pricing options available). 
Consultation included in price

In just 15 minutes, the test can detect the SARS-CoV-2 viral nucleoprotein antigens through visual interpretation of colour development. 


  • Sample Type: Nasal Swab
  • Quantity: 25 tests/kit 
  • Storage: 2-30°C/36-86°F. DO NOT FREEZE
  • Shelf Life: 24 months
  • Test Results Time: 15 minutes. Do not read results after 20 minutes.

Kit Contents

  • 25 Test Devices
  • Bottle of Buffer
  • Nozzles
  • Individually Packed Swabs 
  • Tubes and Tube Stand 
  • Product Insert

Clinical Performance of the COVID-19 Antigen Rapid Test:

Clinical Performance with Nasal Specimens 

Diagnostic Sensitivity
CI: 78.6% - 96.2% 

Diagnostic Specificity 
CI: 96.5% - 100%                        

CI- 95% Confidence Interval

Clinical Performance with Nasopharyngeal Specimens

Diagnostic Sensitivity
CI: 85.5% - 98.8% 

Diagnostic Specificity 
CI: 90.4% - 100%             

CI- 95% Confidence Interval