Lamotrigine
Lamotrigine an an antiepiletpic used in the treatment of epilepsy and bipolar disorders.
Tested in both urine and oral fluid.
Lorazepam
Lorazepam is a benzodiazepine that is used to treat anxiety disorders.
Tested in both urine and oral fluid.
Lurasidone
Lurasidone is an atypical antipsychotic used to treat schizophernia.
Tested in urine only.