Professional-grade diagnostic kits for the rapid and qualitative detection of drugs of abuse and their metabolites in human urine or saliva. This category features high-sensitivity single-panel and multi-drug panels (up to 10+ parameters) for substances including opioids, cannabis, cocaine, amphetamines, and benzodiazepines. Designed for clinical laboratories, forensic medicine, and workplace drug screening to provide reliable visual results within 5 minutes.