Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (2) Sample Type Blood (1) Urine (1) Test Area Drugs of Abuse (2) (-) Therapeutics (2) Test Category Antiepileptics/Antiseizures (2) Test Sub-Category Alkaloids (3) Alpha/Beta Adrenergic Agonists (1) Antiarrhythmics (3) Antihistamines (1) Antivirals (1) Barbiturates (3) Benzodiazepines (11) Beta Blockers (2) CNS Stimulants (1) Non-Barbiturate Sedative Hypnotics (2) Opiates/Opioids (25) Other (51) Phenothiazines (5) Selective Serotonin Reuptake Inhibitors (SSRI) (3) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (2) (-) Succinimide (2) Sympathomimetic Agents (4) Tricyclic (13) Test Test Name 9233B Phensuximide Screen, Blood 9233U Phensuximide Screen, Urine