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 (2) Serum or Plasma (3) Urine (1) Test Area Therapeutics (2) Test Category Analgesics (4) Antidepressants (2) Antiepileptics/Antiseizures (2) Antihypertensives (3) Antimicrobials (1) Antineoplastics (1) Antipsychotics (1) Antirheumatics (1) (-) Bronchodilators (1) (-) Cholinesterase Inhibitors (1) Diuretics (1) Immunosuppressants (3) Muscle Relaxants (1) Sedative/Hypnotics (2) Stimulants (1) Sympathomimetic Amines (1) Vasodilators (1) Test Sub-Category Other (2) Test Test Name 4305B Tacrine, Blood 4387B Theophylline, Blood