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) Gas Chromatography/Mass Spectrometry (GC/MS) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (33) Sample Type Blood (1) Urine (1) Test Area (-) Therapeutics (2) Test Category (-) Analgesics (1) Anesthetics (4) Antidepressants (9) Antiepileptics/Antiseizures (3) Antihypertensives (5) Antimicrobials (2) Antipsychotics (6) Cholinesterase Inhibitors (3) (-) Sedative/Hypnotics (1) Test Sub-Category Barbiturates (1) Opiates/Opioids (1) Test Test Name 4300B Talbutal, Blood 4303U Talwin® Nx, Urine