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) (2) Sample Type Blood (2) (-) Serum or Plasma (2) Test Area Therapeutics (2) Test Category Analgesics (5) Anesthetics (1) Antacids (1) Antiarrhythmics (2) Anticholinergics (1) Antidepressants (7) Antidiabetics (4) Antiepileptics/Antiseizures (10) Antihypertensives (5) Antimicrobials (6) Antimigraines (1) Antineoplastics (1) Antiparkinsons (1) Antipsychotics (5) Antirheumatics (1) Antithrombotics (1) Bronchodilators (2) (-) Cholinesterase Inhibitors (1) Decongestants (1) Diuretics (2) Hallucinogens (1) Hypoglycemic Agents (1) Immunosuppressants (2) (-) Muscle Relaxants (1) NPS/Designer Drugs (2) Opiates/Opioids (1) Other (1) Pesticides/Insecticides (1) Sedative/Hypnotics (6) Stimulants (2) Sympathomimetic Amines (1) Vasodilators (3) Test Sub-Category Other (2) Test Test Name 4305SP Tacrine, Serum/Plasma 4487SP Tizanidine, Serum/Plasma