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 Blood (1) Test Area Therapeutics (1) Test Category Alcohols (13) Anesthetics (3) Antianxiety (3) Antiarrhythmics (3) Anticholinergics (3) Antidiabetics (4) Antidiarrheals (2) Antiepileptics/Antiseizures (21) Antihistamines (11) (-) Antineoplastics (1) Antipsychotics (13) Antithyroids (2) Antitussives/Cough Suppressants (7) Biomarkers (5) Carbonic Anhydrase Inhibitors (1) Cholinesterase Inhibitors (2) Diagnostic Aids (1) Diuretics (1) Emetics (4) Expectorants (3) Hallucinogens (18) Herbicides (3) Hydrocarbons (1) Immunosuppressants (5) Laxatives (1) Metals/Elements (30) Muscle Relaxants (10) NMDA Antagonists (2) Pesticides/Insecticides (3) Retinoids (2) Sedative/Hypnotics (12) Solvents (16) Stimulants (4) Volatiles (31) Test Sub-Category (-) Other (1) Test Test Name 2665B Mercaptopurine and Metabolites, Blood