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 (1) Serum or Plasma (1) Tissue (1) (-) Urine (1) Test Area Therapeutics (1) Test Category Analgesics (5) Antianxiety (2) Antiarrhythmics (1) Antidepressants (3) Antiepileptics/Antiseizures (1) (-) Antihistamines (1) Antihypertensives (2) Antipsychotics (1) Antispasmodics (1) Appetite Suppressants (1) Decongestants (1) Diagnostic Aids (1) Immunosuppressants (1) NPS/Designer Drugs (3) Opiate/Opioid Antagonists (3) Other (1) Plasticizers (1) Sedative/Hypnotics (2) Solvents (1) Stimulants (2) Test Sub-Category Other (1) Test Test Name 3970U Promethazine, Urine