Usually clinical, based on history and presentation
Most blood and urine tests are restricted to research and unavailable for clinical usage
Found in blood specimens (6–12 hours) and urine (2–4 days) after usage
Metabolite (2-oxo-3-hydroxy-LSD) present in urine for a longer time than LSD itself.
Lysergic acid diethylamide toxicity
Serotonin-Like Agents
Carbamate toxicity
Lysergic acid diethylamide 
Tianeptine toxicity
Psilocybin 
Phencyclidine toxicity
N,N-Dimethyltryptamine 