Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme Immunoassay (EIA) (1) (-) Gas Chromatography (GC) (2) Gas Chromatography/Mass Spectrometry (GC/MS) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (19) Sample Type Blood (1) Urine (1) Test Area Therapeutics (2) Test Category Acids (3) (-) Analgesics (1) Anesthetics (4) Antidepressants (3) Antiepileptics/Antiseizures (3) Antihistamines (2) Antiparkinsons (3) Antipsychotics (11) Depressants (2) Other (1) (-) Sedative/Hypnotics (1) Solvents (1) Terpenes (3) Volatiles (5) Test Sub-Category Barbiturates (1) Opiates/Opioids (1) Test Test Name 4300B Talbutal, Blood 4303U Talwin® Nx, Urine