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 (1) Serum or Plasma (1) Urine (1) Test Area Therapeutics (3) Test Category (-) Antihypertensives (3) Test Sub-Category (-) Beta Blockers (3) Calcium Channel Blockers (2) Other (6) Tricyclic (8) Test Test Name 3103B Nadolol, Blood 3103SP Nadolol, Serum/Plasma 3103U Nadolol, Urine