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) (2) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (3) 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 (4) (-) Antiarrhythmics (2) Anticholinergics (2) Antidepressants (6) Antiepileptics/Antiseizures (3) Antihistamines (1) Antineoplastics (2) Herbicides (1) Muscle Relaxants (2) Pesticides/Insecticides (4) Terpenes (1) Vasodilators (2) Volatiles (9) Test Sub-Category Other (2) Test Test Name 3055B Mexiletine, Blood 3055SP Mexiletine, Serum/Plasma