The Right Sign Rapid Test Cassette for Qualitative Detection of Hepatitis B Surface Antigen (HBsAg) is an in vitro diagnostic tool designed for the quick, qualitative identification of HBsAg in human serum, plasma, or whole blood samples.¹ Utilizing a chromatographic immunoassay principle, these test cassettes provide a visual result typically within 15 to 30 minutes, indicating the presence or absence of the Hepatitis B surface antigen. The test is intended for use by healthcare professionals as a screening method to aid in the diagnosis of active Hepatitis B infection.² Each pack contains 25 individually packaged test cassettes, along with necessary components like disposable pipettes and a package insert.³ It's important to note that this rapid test provides preliminary results, and positive results should be confirmed with additional testing methods.