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) Urine (1) Test Area Therapeutics (1) Test Category Antacids (1) Test Sub-Category Antibiotics (1) Anticoagulants (1) (-) Antihistamines (1) Cannabinoids (1) Dopamine Antagonists (1) Other (6) Test Test Name 4085SP Ranitidine, Serum/Plasma