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 (2) Serum or Plasma (3) Urine (1) Test Area (-) Therapeutics (2) Test Category Analgesics (5) Anesthetics (3) Antacids (1) Antiarrhythmics (2) Anticholinergics (1) Antidepressants (9) Antidiabetics (2) Antiepileptics/Antiseizures (6) Antihistamines (1) Antihypertensives (6) Antimicrobials (4) Antimigraines (1) Antineoplastics (1) (-) Antiparkinsons (2) Antipsychotics (7) Antirheumatics (1) Antithrombotics (1) Bronchodilators (1) Cholinesterase Inhibitors (2) Decongestants (1) Diuretics (2) Hypoglycemic Agents (1) Immunosuppressants (5) Muscle Relaxants (1) Sedative/Hypnotics (8) Stimulants (2) Sympathomimetic Amines (1) Vasodilators (3) Test Sub-Category Anticholinergics (1) Dopamine Antagonists (1) Test Test Name 4115B Ropinirole, Blood 4680B Trihexyphenidyl, Blood