Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (2) 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) (12) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (6) Sample Type Blood (1) Urine (1) Test Area Exposure (1) Therapeutics (1) Test Category Acids (3) (-) Analgesics (1) Anesthetics (4) Antidepressants (3) Antiepileptics/Antiseizures (3) Antipsychotics (11) Depressants (2) Sedative/Hypnotics (1) Solvents (1) (-) Terpenes (1) Volatiles (5) Test Sub-Category Opiates/Opioids (1) Other (1) Test Test Name 4303U Talwin® Nx, Urine 4327B Terpineol, Blood