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 (1) Test Area (-) Therapeutics (2) Test Category Antihypertensives (1) Stimulants (1) Test Sub-Category (-) Alkaloids (1) Alpha Blockers (1) Antibiotics (1) Anticholinergics (1) Barbiturates (3) Benzodiazepines (2) Beta-2 Andrenergic Agonists (1) Beta Blockers (1) (-) Diuretics (1) NSAIDs (1) Opiates/Opioids (3) Other (17) Phenothiazines (3) Sulfonylureas (2) Tricyclic (3) Vasoconstrictors (1) Test Test Name 4380SP Theobromine, Serum/Plasma 4540SP Triamterene, Serum/Plasma