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/Mass Spectrometry (GC/MS) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (3) (-) Serum or Plasma (2) Tissue (1) Urine (1) Test Area Drugs of Abuse (1) (-) Therapeutics (2) Test Category Analgesics (13) Antacids (2) Antianxiety (2) Antiarrhythmics (4) Anticholinergics (1) Antidepressants (6) Antidiabetics (2) Antiepileptics/Antiseizures (13) (-) Antihistamines (2) Antihypertensives (5) Antimicrobials (3) Antineoplastics (1) Antipsychotics (5) Antispasmodics (1) Appetite Suppressants (1) Decongestants (2) Immunosuppressants (1) Muscle Relaxants (1) Opiate/Opioid Antagonists (2) Other (1) Sedative/Hypnotics (3) Stimulants (2) Vasodilators (1) Test Sub-Category Other (2) Test Test Name 3740SP Phenyltoloxamine, Serum/Plasma 3970SP Promethazine, Serum/Plasma