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) (2) Sample Type Blood (3) Serum or Plasma (2) (-) Tissue (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Alcohols (1) Analgesics (10) Anesthetics (1) Antacids (1) Antianxiety (2) Antiarrhythmics (1) Anticholinergics (1) Antidepressants (8) Antiepileptics/Antiseizures (4) (-) Antihistamines (2) Antihypertensives (2) Antipsychotics (2) Antispasmodics (1) Appetite Suppressants (1) Decongestants (1) Diagnostic Aids (1) Hallucinogens (1) Immunosuppressants (1) Metals/Elements (7) Muscle Relaxants (1) NPS/Designer Drugs (3) Opiate/Opioid Antagonists (3) Other (1) Pesticides/Insecticides (2) Plasticizers (1) Sedative/Hypnotics (3) Solvents (5) Stimulants (4) Volatiles (3) Test Sub-Category Other (2) Test Test Name 3970TI Promethazine, Tissue 3970U Promethazine, Urine