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) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (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 Biomarkers (1) Stimulants (1) Test Sub-Category (-) Alkaloids (1) Antibiotics (1) Anticholinergics (1) Benzodiazepines (1) (-) Cyanide (1) Opiates/Opioids (5) Other (12) Phenothiazines (1) Toxic Elements (5) Tricyclic (3) Vasoconstrictors (1) Test Test Name 4380U Theobromine, Urine 4440U Thiocyanate, Urine