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 (1) Analgesics (2) Anticholinergics (1) Antidepressants (1) Antiepileptics/Antiseizures (1) (-) Antihistamines (1) Antipsychotics (1) Appetite Suppressants (1) Hallucinogens (1) Immunosuppressants (1) Metals/Elements (1) Muscle Relaxants (1) Opiate/Opioid Antagonists (3) Other (1) Plasticizers (1) Sedative/Hypnotics (1) Solvents (5) Stimulants (1) Volatiles (2) Test Sub-Category (-) Other (1) Test Test Name 3970U Promethazine, Urine