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 Alcohols (2) Analgesics (3) Anticholinergics (1) Antiepileptics/Antiseizures (1) (-) Antihistamines (1) Antipsychotics (1) Appetite Suppressants (1) Cholinesterase Inhibitors (1) Diagnostic Aids (1) Drugs of Abuse (2) Hallucinogens (3) Plasticizers (1) Solvents (1) Therapeutics (3) Volatiles (2) Test Sub-Category (-) Other (1) Test Test Name 3970U Promethazine, Urine