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) Fluid (1) Serum or Plasma (1) Tissue (1) (-) Urine (1) Test Area Therapeutics (1) Test Category Antianxiety (1) Anticholinergics (1) Antihistamines (5) (-) Antipsychotics (1) Biomarkers (1) Drugs of Abuse (6) Industrial/Environmental Toxins (3) Muscle Relaxants (2) Other (1) Sedative/Hypnotics (2) Solvents (4) Volatiles (2) Test Sub-Category (-) Other (1) Phenothiazines (1) Test Test Name 1287U Clozapine and Metabolite, Urine