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 Antihypertensives (3) Test Sub-Category Benzodiazepines (5) (-) Beta Blockers (2) (-) Calcium Channel Blockers (1) NSAIDs (4) Opiates/Opioids (2) Other (24) Stimulants (2) Synthetic Cathinone (2) Toxic Elements (2) Tricyclic (7) Test Test Name 3103B Nadolol, Blood 3103U Nadolol, Urine 3158B Nifedipine, Blood