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) (8) (-) 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-2 Adrenergic Agonists (3) Alpha/Beta Adrenergic Agonists (3) Alpha Blockers (2) Antibiotics (2) Antihistamines (4) Antimalarials (3) Benzodiazepines (17) Calcium Channel Blockers (3) Cannabinoids (1) Cardiac Glycosides (4) (-) Diuretics (2) NSAIDs (4) Opiates/Opioids (1) Other (49) Selective Serotonin Reuptake Inhibitors (SSRI) (10) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (3) Sulfonylureas (1) Thiazides (2) Test Test Name 1250B Chlorthalidone, Blood 1250SP Chlorthalidone, Serum/Plasma