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) (1) Sample Type Blood (1) Serum or Plasma (1) (-) Urine (1) Test Area (-) Therapeutics (1) Test Category Antihypertensives (1) Test Sub-Category (-) Alpha-2 Adrenergic Agonists (1) Antihistamines (1) Antimalarials (1) Benzodiazepines (5) CNS Stimulants (1) Opiates/Opioids (2) Other (5) Selective Serotonin Reuptake Inhibitors (SSRI) (1) Test Test Name 1275U Clonidine, Urine