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 Alcohols (5) Analgesics (11) Anesthetics (6) Antianxiety (3) Antiarrhythmics (3) Anticholinergics (7) Antidepressants (9) Antiepileptics/Antiseizures (2) Antihistamines (4) (-) Antineoplastics (1) Antipsychotics (1) Antithrombotics (3) Antitussives/Cough Suppressants (3) Benzodiazepines (3) Biomarkers (4) Depressants (11) Diuretics (2) Drugs of Abuse (2) Electrolytes (2) Metals/Elements (18) Muscle Relaxants (4) NPS/Designer Drugs (6) Plasticizers (2) Sedative/Hypnotics (19) Stimulants (3) Volatiles (6) Test Sub-Category Alkylating Agents (1) Test Test Name 0820SP Busulfan, Serum/Plasma