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 (5) (-) Urine (1) Test Area Therapeutics (1) Test Category Analgesics (5) Anesthetics (2) (-) Antacids (1) Anticholinergics (1) Antidepressants (4) Antiepileptics/Antiseizures (2) Antihypertensives (2) Antimicrobials (2) Antimigraines (1) Antipsychotics (3) Bronchodilators (1) Decongestants (1) Hallucinogens (1) NPS/Designer Drugs (1) Opiates/Opioids (1) Other (1) Pesticides/Insecticides (1) Sedative/Hypnotics (4) Stimulants (2) Sympathomimetic Amines (1) Vasodilators (1) Volatiles (2) Test Sub-Category Antihistamines (1) Test Test Name 4085U Ranitidine, Urine