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 (2) Serum or Plasma (2) Urine (1) Test Area (-) Therapeutics (2) Test Category Analgesics (3) Anesthetics (1) Antianxiety (1) Antidepressants (4) Antidiabetics (1) (-) Antihypertensives (2) Industrial/Environmental Toxins (1) Opiate/Opioid Antagonists (2) Sedative/Hypnotics (2) Vasodilators (1) Test Sub-Category Beta Blockers (1) Calcium Channel Blockers (1) Test Test Name 3103B Nadolol, Blood 3158B Nifedipine, Blood