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) (4) Gas Chromatography (GC) and Gas Chromatography/Mass Spectrometry (GC/MS) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (1) Serum or Plasma (1) Test Area Therapeutics (2) Test Category Antihypertensives (2) Test Sub-Category (-) Alpha Blockers (2) Anticoagulants (4) Benzodiazepines (5) Calcium Channel Blockers (3) Cannabinoids (3) Cardiac Glycosides (4) Designer Benzodiazepines (3) Herbicides (2) NSAIDs (2) Opiates/Opioids (6) Other (31) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (5) Thiazides (2) Test Test Name 1815B Doxazosin, Blood 1815SP Doxazosin, Serum/Plasma