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) (1) Sample Type Blood (3) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (1) Test Category Antiepileptics/Antiseizures (1) Test Sub-Category Alkaloids (1) Antiarrhythmics (1) Benzodiazepines (3) Biomarkers (2) Cannabinoids (1) CNS Stimulants (1) Opiates/Opioids (9) Other (18) Phenothiazines (2) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) (-) Succinimide (1) Sympathomimetic Agents (2) Synthetic Cannabinoids (1) Tricyclic (4) Test Test Name 9233U Phensuximide Screen, Urine