Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (3) Enzyme Immunoassay (EIA) (1) (-) Gas Chromatography (GC) (2) Sample Type Blood (1) Urine (1) Test Area Therapeutics (2) Test Category Antiepileptics/Antiseizures (2) Test Sub-Category Antiarrhythmics (3) Antivirals (1) Barbiturates (2) Non-Barbiturate Sedative Hypnotics (2) Opiates/Opioids (5) Other (26) Phenothiazines (8) Selective Serotonin Reuptake Inhibitors (SSRI) (3) (-) Succinimide (2) Tricyclic (13) Test Test Name 9233B Phensuximide Screen, Blood 9233U Phensuximide Screen, Urine