Abbott Toxicology Alere Toxicology Iscreen® External ControlsThese iScreen Urine Drug Control Kits are used for the validation of test performance and expected results across various drug screening platforms. The liquid solution vials are convenient for office use and are specifically formulated to work with iScreen and iCup products. These controls are essential for quality assurance, providing a clear reference for both positive and negative analytes. SKU Product Key Technical Details Abbott Toxicology 88006