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 (2) Urine (1) Test Area Therapeutics (2) Test Category Anesthetics (1) (-) Antacids (1) Antidiabetics (2) (-) Antiepileptics/Antiseizures (1) Antiparkinsons (1) Antipsychotics (1) Metals/Elements (1) Psychoactives (1) Sedative/Hypnotics (1) Test Sub-Category Antihistamines (1) Other (1) Test Test Name 4085B Ranitidine, Blood 4125B Rufinamide, Blood