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 (-) Therapeutics (2) Test Category Analgesics (5) Anesthetics (2) Antiarrhythmics (5) Anticholinergics (3) Antidepressants (3) Antidiabetics (4) Antiepileptics/Antiseizures (14) Antihistamines (7) (-) Antihypertensives (2) Antineoplastics (2) Antipsychotics (11) Appetite Suppressants (3) Immunosuppressants (3) Industrial/Environmental Toxins (1) Muscle Relaxants (3) Opiate/Opioid Antagonists (7) Other (1) Stimulants (2) Vasodilators (3) Test Sub-Category (-) Alpha Blockers (2) Beta Blockers (7) Calcium Channel Blockers (2) Diuretics (2) Test Test Name 3788B Prazosin, Blood 3788SP Prazosin, Serum/Plasma