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) (1) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (1) (-) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Acids (2) Analgesics (5) Anticholinergics (2) Antihistamines (2) (-) Antihypertensives (2) Antimicrobials (2) Antipsychotics (2) Depressants (2) Hypoglycemic Agents (1) Test Sub-Category Diuretics (2) Test Test Name 2330SP Hydrochlorothiazide, Serum/Plasma 2330U Hydrochlorothiazide, Urine