1.CE 0197 Mark. 2.For self-testing and in vitro diagnostic use only. INTENDED USEAccu-TellĀ® One Step hCG Pregnancy Test is a rapid chromatographic immunoassay for the qualitative detection of human chorionic gonadotropin (hCG) in urine, as an aid for the early detection of pregnancy. PRINCIPLEAccu-TellĀ® One Step hCG Pregnancy Test is a rapid qualitative one step assay for the detection of HCG in ...