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 Anesthetics (4) Antianxiety (3) Anticholinergics (4) Antidepressants (9) Antiepileptics/Antiseizures (2) (-) Antineoplastics (1) Antipsychotics (1) Diuretics (2) Drugs of Abuse (1) Muscle Relaxants (4) Volatiles (2) Test Sub-Category (-) Alkylating Agents (1) Test Test Name 0820SP Busulfan, Serum/Plasma