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 (-) Alkylating Agents (1) Test Test Name 0820SP Busulfan, Serum/Plasma