Canterbury Health Laboratories (CHL) Workplace Drug Testing/Toxicology department is an experienced specialist drug testing and occupational screening unit located in Christchurch.

CHL’s expert workplace drug testing team offers medico-legal and specialist diagnostic medical tests on a national basis, using state of the art equipment and stringent security processes.

CHL Toxicology / Workplace Drug Testing Services: Workplace environment monitoring Occupational Health Screening Biological monitoring of solvent exposure Workplace Drug Testing Therapeutic drug monitoring evaluation   Daily requests are received to perform specialist workplace and occupational screening tests from laboratories and workplaces throughout New Zealand. CHL has the biggest ‘catchment’ area of any medical diagnostic laboratory in New Zealand.   Organisations using our services include:   Private Employers Government Agencies District Health Boards Private Medical Practices Occupational Health and Safety Companies Occupational Health Doctors