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 (2) Test Area (-) Therapeutics (2) Test Category Analgesics (1) Antihypertensives (1) Test Sub-Category Benzodiazepines (3) (-) Beta Blockers (1) Calcium Channel Blockers (1) NSAIDs (2) (-) Opiates/Opioids (1) Other (6) Tricyclic (3) Test Test Name 3103B Nadolol, Blood 3110B Nalbuphine - Free (Unconjugated), Blood