Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type (-) Blood (2) Serum or Plasma (2) Urine (2) Test Area Therapeutics (2) Test Category Antimicrobials (1) Antiparkinsons (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 (5) Organochlorides (2) Other (25) Phenothiazines (3) Sedative-Hypnotics (1) Toxic Elements (6) Tricyclic (3) Vasoconstrictors (1) Test Test Name 4680B Trihexyphenidyl, Blood 4704B Trimethoprim, Blood