DRUGS OF ABUSE TEST KIT FIRST SIGN AMP, BAR, BUP, BZO, COC, MAMP/MET, MDMA, MTD, OPI, OXY, PCP, THC (CR, PH, SG) 25 TESTS CLIA WA, SOLD AS 25/BOX HEM 25/BOX -FSCCUP-9124 W/AD225 BOX The First Sign drug of abuse cup test is an immunoassay. During testing, a urine specimen migrates upward on the test strip: A drug positive urine specimen will not generate a colored line in the specific test line region of the strip, while a drug negative specimen will generate a line in the test line region. A colored line will always appear at the control line region, indicating that proper volume of specimen has been added. Test cup format