Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (3) Serum or Plasma (4) (-) Urine (2) Test Area (-) Therapeutics (2) Test Category Analgesics (5) Anesthetics (2) (-) Antacids (1) Anticholinergics (1) Antidepressants (5) Antiepileptics/Antiseizures (3) Antihypertensives (3) Antimicrobials (2) Antimigraines (1) (-) Antiparkinsons (1) Antipsychotics (5) Bronchodilators (1) Cholinesterase Inhibitors (1) Decongestants (1) Sedative/Hypnotics (5) Stimulants (2) Sympathomimetic Amines (1) Vasodilators (1) Test Sub-Category Anticholinergics (1) Antihistamines (1) Test Test Name 4085U Ranitidine, Urine 4680U Trihexyphenidyl, Urine