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) Sample Type Serum or Plasma (2) Test Area Therapeutics (2) Test Category Antihypertensives (1) Antipsychotics (1) Test Sub-Category Antiarrhythmics (5) Barbiturates (3) Insecticides (3) Opiates/Opioids (4) Organochlorides (1) Other (50) (-) Phenothiazines (1) Tetracyclics (3) Tricyclic (3) (-) Vasodilators (1) Test Test Name 2308SP Hydralazine, Serum/Plasma 2689SP Mesoridazine, Serum/Plasma