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) (1) Sample Type Blood (1) (-) Serum or Plasma (1) Test Area (-) Therapeutics (1) Test Category Analgesics (11) Anesthetics (4) Antianxiety (2) Antiarrhythmics (1) Anticholinergics (1) Antidepressants (5) Antidiabetics (4) Antidiarrheals (1) Antiemetics (1) Antiepileptics/Antiseizures (11) Antihistamines (3) Antihypertensives (6) Antimicrobials (12) Antipsychotics (7) Antithyroids (1) Antitussives/Cough Suppressants (3) Carbonic Anhydrase Inhibitors (1) Cholinesterase Inhibitors (1) Depressants (1) Diuretics (1) Dopamine Precursor (1) Expectorants (1) Immunosuppressants (2) Mood Stabilizers (2) Muscle Relaxants (4) (-) NMDA Antagonists (1) Other (1) Retinoids (2) Sedative/Hypnotics (8) Stimulants (1) Test Sub-Category Other (1) Test Test Name 2581SP Memantine, Serum/Plasma