The Precision DX - ETG Test strip is a fast visual, competitive panel immunoassay that can be used for the detection of ETG drug metabolites at specific cutoff levels in human urine. Read results at 5 minutes 500 ng/mL cut-off Compared to Lab Tests Compared to Generic, it's easier to interpret, more accurate, and reads faster Results remain valid for up to 4 hours after test initiation These are screening devices read positive or negative, qualitative, and although highly accurate, if you read a positive we recommend a certified lab for LC-MS/MS Confirmation. For more information dial 1-866-526-2873 or email sales@americanscreeningcorp.com. These drug tests are intended for workplace testing & forensic use ONLY (not FDA cleared or CLIA waived).