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) (3) Sample Type (-) Blood (2) Serum or Plasma (2) (-) Urine (1) Test Area (-) Therapeutics (3) Test Category Analgesics (6) Anesthetics (1) Antianxiety (2) Antidepressants (8) Antidiabetics (1) (-) Antihypertensives (3) Industrial/Environmental Toxins (1) Opiate/Opioid Antagonists (5) Sedative/Hypnotics (3) Vasodilators (1) Test Sub-Category Beta Blockers (2) Calcium Channel Blockers (1) Test Test Name 3103B Nadolol, Blood 3103U Nadolol, Urine 3158B Nifedipine, Blood