Urine alcohol and drug testing is a widely used, reliable method for detecting recent use of alcohol and a broad range of illicit or prescription substances. This type of testing is commonly utilized for employment screening, compliance monitoring, legal cases, and clinical decision-making. Urine drug testing identifies specific drugs and their metabolites, providing insight into recent exposure or use within established detection windows. Alcohol testing through urine can indicate recent consumption but is typically used alongside breath or blood testing when precise timing is required. All collections follow strict chain-of-custody procedures to ensure specimen integrity, accuracy, and defensibility of results. Results are reviewed using established cutoff levels and, when applicable, confirmed by certified laboratories to ensure reliability and compliance with regulatory standards.