Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type Blood (8) Fluid (1) Serum or Plasma (5) (-) Tissue (2) Urine (3) Test Area Exposure (1) Therapeutics (1) Test Category Antidepressants (1) Antiepileptics/Antiseizures (1) Antihistamines (1) (-) Antihypertensives (1) Drugs of Abuse (2) Hallucinogens (1) Therapeutics (3) (-) Volatiles (1) Test Sub-Category Beta Blockers (1) Other (1) Test Test Name 3974TI Propane, Tissue 4000TI Propranolol, Tissue