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) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (2) Serum or Plasma (2) Urine (1) Test Area Exposure (1) Therapeutics (1) Test Category Depressants (1) Sympathomimetic Amines (1) Test Sub-Category Alkaloids (1) Alpha Blockers (1) Antibiotics (1) Anticholinergics (1) Barbiturates (4) Benzodiazepines (2) Beta Blockers (1) Cyanide (1) Diuretics (1) NSAIDs (1) Opiates/Opioids (6) Organochlorides (2) Other (27) Phenothiazines (3) (-) Sedative-Hypnotics (1) Toxic Elements (6) Tricyclic (3) (-) Vasoconstrictors (1) Test Test Name 4350B Tetrahydrozoline, Blood 4640B Trichloroethanol - Free, Blood