iScreen Urine Drug Controls, Drugs of Abuse High Positive/Negative Controls, 5 mL, 2 Bottles, 2/Box

iScreen Urine Drug Controls are quality control solutions designed for drugs of abuse (DOA) testing. These controls provide both high positive and negative reference standards in 5 mL bottles to ensure accuracy and reliability of rapid diagnostic urine drug screening tests. The kit includes 2 bottles per box for convenient laboratory use.