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 Alcohol Deterrents (1) Analgesics (6) Anesthetics (1) Antianxiety (3) Antiarrhythmics (2) Anticholinergics (4) Anticoagulants (2) Antidepressants (2) Antiepileptics/Antiseizures (6) Antifibrinolytics (1) Antihypertensives (4) Antimicrobials (2) (-) Antineoplastics (1) Antipsychotics (3) Antithrombotics (7) Benzodiazepines (1) Bronchodilators (2) Diuretics (2) Immunosuppressants (1) NPS/Designer Drugs (6) Pesticides/Insecticides (2) Potassium Channel Blockers (1) Psychoactives (5) Stimulants (3) Test Sub-Category Alkylating Agents (1) Test Test Name 0820SP Busulfan, Serum/Plasma