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) (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) Alpha/Beta Adrenergic Agonists (1) Antihistamines (1) Antimalarials (1) Benzodiazepines (5) Calcium Channel Blockers (1) Cocaine (2) Designer Benzodiazepines (2) Opiates/Opioids (2) Other (9) Selective Serotonin Reuptake Inhibitors (SSRI) (3) Serotonin-Norepinephrine Reuptake Inhibitors (SNRI) (1) Stimulants (1) Synthetic Cathinone (1) Test Test Name 1275U Clonidine, Urine