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 (1) (-) Serum or Plasma (2) Urine (1) Test Area (-) Therapeutics (2) Test Category Anesthetics (1) (-) Antacids (1) Antidiabetics (2) Antiepileptics/Antiseizures (1) (-) Antimicrobials (1) Antiparkinsons (1) Antipsychotics (1) Antithrombotics (1) Sedative/Hypnotics (1) Test Sub-Category Antibiotics (1) Antihistamines (1) Test Test Name 4085SP Ranitidine, Serum/Plasma 4110SP Rifampin, Serum/Plasma