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 (3) Analgesics (9) Anesthetics (4) Antianxiety (3) Antiarrhythmics (3) Anticholinergics (6) Antidepressants (6) Antiepileptics/Antiseizures (2) Antihistamines (4) (-) Antineoplastics (1) Antipsychotics (1) Antithrombotics (3) Antitussives/Cough Suppressants (3) Benzodiazepines (3) Biomarkers (3) Depressants (6) Diuretics (2) Electrolytes (1) Metals/Elements (15) Muscle Relaxants (3) NPS/Designer Drugs (6) Plasticizers (2) Sedative/Hypnotics (15) Stimulants (3) Volatiles (5) Test Sub-Category Alkylating Agents (1) Test Test Name 0820SP Busulfan, Serum/Plasma