Wannan kit ɗin ya dogara ne akan takamaiman halayen antibody-antigen da immunochromatography. β-lactams, sulfonamides da tetracyclines maganin rigakafi a cikin samfurin suna gasa don maganin rigakafi tare da antigen da aka rufe akan membrane na dipstick na gwaji. Sa'an nan bayan amsawar launi, ana iya lura da sakamakon.