Positive Negative External Controls Ready-to-use external control kit for use with the Healgen rapid COVID-19 Flu A/B antigen combination test. This kit is to verify proper test procedure and performance of the COVID-19 Flu A/B combo rapid test cassette. A CLIA number is required to purchase this test. For in vitro diagnosis and prescription use only. A single box contains one negative and one positive control. Call 800.742.4909 to place an order.
