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) (1) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (2) Serum or Plasma (2) (-) Urine (2) Test Area Exposure (1) Therapeutics (1) Test Category Antiparkinsons (1) Biomarkers (1) Test Sub-Category Alkaloids (1) Antibiotics (1) (-) Anticholinergics (1) Benzodiazepines (1) (-) Cyanide (1) Opiates/Opioids (5) Other (14) Phenothiazines (1) Toxic Elements (7) Tricyclic (3) Vasoconstrictors (1) Test Test Name 4440U Thiocyanate, Urine 4680U Trihexyphenidyl, Urine