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) (-) Gas Chromatography (GC) (1) Gas Chromatography/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (17) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (7) Spectrophotometry (SP) (2) Sample Type Urine (3) Test Area Exposure (2) Therapeutics (1) Test Category Acids (3) Alcohols (3) (-) Analgesics (1) Anesthetics (4) Antidepressants (9) Antiepileptics/Antiseizures (3) Antihypertensives (5) Antimicrobials (2) Antipsychotics (6) (-) Biomarkers (2) Cholinesterase Inhibitors (3) Depressants (2) Metals/Elements (4) Other (1) Sedative/Hypnotics (1) Solvents (4) Terpenes (1) Volatiles (7) Test Sub-Category Cyanide (1) Opiates/Opioids (1) Other (1) Test Test Name 4303U Talwin® Nx, Urine 4440U Thiocyanate, Urine 4472U Thiosulfate, Urine