Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Enzyme-Linked Immunosorbent Assay (ELISA) (5) Enzyme Immunoassay (EIA) (2) (-) Gas Chromatography (GC) (6) (-) Gas Chromatography/Mass Spectrometry (GC/MS) (5) Headspace Gas Chromatography (GC) (1) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (79) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (4) Sample Type Blood (2) Fluid (2) Serum or Plasma (3) Tissue (1) Urine (3) Test Area (-) Drugs of Abuse (5) Impairment (3) Postmortem (10) (-) Therapeutics (6) Test Category Antihypertensives (6) Drugs of Abuse (4) Drugs of Abuse, Therapeutics (1) Test Sub-Category Calcium Channel Blockers (5) Other (5) Vasodilators (1) Your search has returned no tests.