When considering medical pathology providers or corporate health testing configurations, organizations often evaluate standard workplace screening protocols. In the context of occupational health and corporate screening services provided by major medical laboratory networks, structured drug and alcohol testing programs are widely implemented. These comprehensive screening packages typically utilize strict chain-of-custody documentation via urine or oral fluid samples to detect substances such as cannabis, opiates, amphetamines, and cocaine according to recognized national accreditation standards to ensure workplace safety and legal compliance.