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 (4) Serum or Plasma (4) (-) Urine (2) Test Area (-) Therapeutics (2) Test Category Analgesics (3) Antianxiety (1) Antidepressants (4) (-) Antihypertensives (1) Opiate/Opioid Antagonists (3) (-) Sedative/Hypnotics (1) Test Sub-Category Benzodiazepines (1) Beta Blockers (1) Test Test Name 3103U Nadolol, Urine 3175U Nitrazepam and Metabolite, Urine