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) (1) Sample Type (-) Serum or Plasma (1) Test Area (-) Therapeutics (1) Test Category Antineoplastics (1) Test Sub-Category Alkaloids (2) (-) Alkylating Agents (1) Barbiturates (6) Benzodiazepines (4) Beta Blockers (2) Opiates/Opioids (6) Other (20) Sympathomimetic Amines (2) Test Test Name 0820SP Busulfan, Serum/Plasma