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 (3) Serum or Plasma (1) (-) Urine (2) Test Area Therapeutics (2) Test Category Alcohols (1) Analgesics (3) Anesthetics (1) Antianxiety (1) Anticholinergics (2) Antidepressants (8) (-) Antiepileptics/Antiseizures (2) Antipsychotics (3) Antitussives/Cough Suppressants (2) Decongestants (2) Depressants (2) Diagnostic Aids (1) Diuretics (1) NPS/Designer Drugs (1) Sedative/Hypnotics (2) Stimulants (3) Test Sub-Category Other (1) Succinimide (1) Test Test Name 9171U Ethosuximide Screen, Urine 9233U Phensuximide Screen, Urine