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 (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category Analgesics (20) Antacids (3) Antiarrhythmics (1) Antidepressants (3) Antidiabetics (4) Antiemetics (3) Antiepileptics/Antiseizures (2) Antihypertensives (6) Antimicrobials (4) Antineoplastics (1) Antipsychotics (3) Antithyroids (2) Carbonic Anhydrase Inhibitors (1) Drugs of Abuse (2) Hallucinogens (6) Immunosuppressants (4) Muscle Relaxants (6) (-) NMDA Antagonists (2) NPS/Designer Drugs (3) Sedative/Hypnotics (7) Solvents (1) Stimulants (11) Test Sub-Category Other (2) Test Test Name 2581B Memantine, Blood 2581SP Memantine, Serum/Plasma