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 (3) Serum or Plasma (2) Tissue (1) (-) Urine (1) Test Area (-) Therapeutics (1) Test Category Analgesics (6) Anesthetics (1) Anticholinergics (1) Antidepressants (2) Antiepileptics/Antiseizures (4) (-) Antihistamines (1) Antihypertensives (1) Antipsychotics (1) Appetite Suppressants (1) Cholinesterase Inhibitors (1) Decongestants (4) Diagnostic Aids (1) Sedative/Hypnotics (2) Test Sub-Category Other (1) Test Test Name 3970U Promethazine, Urine