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) (3) Sample Type Blood (4) (-) Serum or Plasma (3) Test Area Therapeutics (3) Test Category Analgesics (9) Antianxiety (1) Anticholinergics (1) Antidepressants (1) Antidiabetics (4) Antidiarrheals (1) (-) Antiemetics (1) Antiepileptics/Antiseizures (8) Antihistamines (3) Antihypertensives (5) Antimicrobials (11) Antipsychotics (4) Antitussives/Cough Suppressants (2) Carbonic Anhydrase Inhibitors (1) Cholinesterase Inhibitors (1) Depressants (1) Diuretics (1) Emetics (1) Expectorants (1) Hallucinogens (3) (-) Immunosuppressants (2) Muscle Relaxants (3) NMDA Antagonists (1) NPS/Designer Drugs (1) Retinoids (2) Sedative/Hypnotics (4) Stimulants (2) Test Sub-Category Antihistamines (1) Other (2) Test Test Name 2531SP Leflunomide as Metabolite (Therapeutic Drug Monitoring), Serum/Plasma 2532SP Leflunomide as Metabolite (Pre-Pregnancy Monitoring), Serum/Plasma 2590SP Meclizine, Serum/Plasma