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 Antihypertensives (2) Test Sub-Category Alpha-2 Adrenergic Agonists (2) Antibiotics (1) Anticoagulants (1) Antihistamines (3) Antimalarials (1) Benzodiazepines (8) Cannabinoids (7) Carbamates (1) CNS Stimulants (2) Cocaine (4) Designer Benzodiazepines (2) (-) Diuretics (2) NSAIDs (2) Opiates/Opioids (2) Other (29) Selective Serotonin Reuptake Inhibitors (SSRI) (2) Sulfonylureas (1) Test Test Name 1250B Chlorthalidone, Blood 1250SP Chlorthalidone, Serum/Plasma