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 (1) Serum or Plasma (1) Test Area Drugs of Abuse (3) (-) Therapeutics (2) Test Category Antihypertensives (2) Test Sub-Category (-) Alpha Blockers (2) Anticoagulants (2) Antiplatelet Agents (2) Appetite Suppressants (3) Benzodiazepines (2) Biomarkers (1) Calcium Channel Blockers (3) Cannabinoids (1) Cardiac Glycosides (5) NSAIDs (2) Opiates/Opioids (3) Other (49) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (5) Thiazides (2) Tricyclic (6) Test Test Name 1815B Doxazosin, Blood 1815SP Doxazosin, Serum/Plasma