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 Analgesics (1) Stimulants (1) Test Sub-Category (-) Alkaloids (1) Alpha Blockers (1) Antibiotics (1) Anticholinergics (1) Barbiturates (4) Benzodiazepines (2) Beta Blockers (1) Diuretics (1) (-) NSAIDs (1) Opiates/Opioids (3) Other (18) Phenothiazines (3) Tricyclic (3) Vasoconstrictors (1) Test Test Name 4380B Theobromine, Blood 4505B Tolmetin, Blood