Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (4) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (2) Fluid (2) Serum or Plasma (2) Tissue (2) (-) Urine (2) Test Area Therapeutics (2) Test Category Analgesics (2) Antacids (1) Antianxiety (1) (-) Antidepressants (1) Antiepileptics/Antiseizures (2) Antihistamines (2) Antihypertensives (1) Antimicrobials (1) (-) Antipsychotics (1) Benzodiazepines (1) Muscle Relaxants (1) Other (1) Psychoactives (1) Sedative/Hypnotics (3) Stimulants (3) Volatiles (1) Test Sub-Category Other (1) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Test Test Name 1272U Citalopram, Urine 1287U Clozapine and Metabolite, Urine