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) Meconium (1) (-) Serum or Plasma (1) Umbilical Cord (3) Urine (2) Test Area Therapeutics (1) Test Category Analgesics (7) Anesthetics (5) Antiarrhythmics (2) Anticholinergics (2) Antidepressants (7) Antiemetics (1) (-) Antiepileptics/Antiseizures (1) Antihistamines (1) Antihypertensives (1) Antimicrobials (1) Antipsychotics (5) Antitussives/Cough Suppressants (1) Decongestants (1) Depressants (4) Hallucinogens (1) Muscle Relaxants (1) NPS/Designer Drugs (1) Psychoactives (1) Sedative/Hypnotics (5) Stimulants (2) Test Sub-Category Other (1) Test Test Name 9171SP Ethosuximide Screen, Serum/Plasma