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) (1) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (2) Serum or Plasma (2) Urine (1) Test Area Therapeutics (2) Test Category Analgesics (2) (-) Antiarrhythmics (1) Anticholinergics (1) Antidepressants (3) Antiepileptics/Antiseizures (1) Antihistamines (1) Antineoplastics (1) (-) Muscle Relaxants (1) Pesticides/Insecticides (2) Terpenes (1) Vasodilators (1) Volatiles (6) Test Sub-Category Other (2) Test Test Name 3055B Mexiletine, Blood 3248B Orphenadrine, Blood