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/Mass Spectrometry (GC/MS) (2) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (2) Test Area Therapeutics (2) Test Category Analgesics (3) Anesthetics (1) Antidepressants (1) Antiepileptics/Antiseizures (1) Antihistamines (1) Antihypertensives (1) Antipsychotics (1) Appetite Suppressants (1) Decongestants (4) Diagnostic Aids (1) Hallucinogens (2) Plasticizers (1) (-) Sedative/Hypnotics (2) Therapeutics (1) Test Sub-Category Barbiturates (2) Test Test Name 3410U Pentobarbital, Urine 8633U Phenobarbital, Urine