In the NPiSTANBUL Hospital it is possible to make toxicologic screening in serum, urine and hair samples of patients with potential risk or record of substance dependency. Basic biochemical and toxicology studies are going through with professional biochemical technic personnel.With autoanalyzer, antiepileptics, opiates, benzodiazepines, barbiturates, amphetamines, cocaine metabolites, cannabinoids and ecstasy levels can be examined.