One-Step SmokeCheck Nicotine (Cotinine) Test Cassette . Smoke check test kit. The Acon Smoke Check Test is a lateral flow, one-step immunoassay for the qualitative detection of cotinine, the major metabolite of nicotine in human urine, at a cut-off concentration of 200 ng/ml. This product is used to obtain a visual, qualitative result and is intended for the determination of smoking status only. Acon smoke check cassette replaces the original Smokecheck nicotine test kit. All Items Acon SmokeCheck (Nicotine) Test. Detects the presence of cotinine, the major metabolite of nicotine in human urine. Effective urine nicotine smoke check test for life insurance. smokecheck test,nicotine test, nicotine test kit,blood test nicotine,nicotine urine test,drug test nicotine,drug test,surestep, nicotine,insurance nicotine test,blood in nicotine test,nicotine test for life insurance,nicotine pass test,nicotine in human urine, SmokeCheck, smoke test Smoke Check Test As low as $1.47ea. Acon smoke check test $ 1.97