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 (2) (-) Serum or Plasma (2) Urine (1) Test Area (-) Therapeutics (2) Test Category Analgesics (2) Antacids (1) Antianxiety (1) Antidepressants (5) Antidiabetics (1) Antiepileptics/Antiseizures (7) Antigout Agents (1) Antihistamines (3) (-) Antihypertensives (2) Antimicrobials (1) Antipsychotics (5) Depressants (1) Diuretics (2) Muscle Relaxants (7) Sedative/Hypnotics (6) Stimulants (2) Test Sub-Category Alpha-2 Adrenergic Agonists (1) Diuretics (1) Test Test Name 1250SP Chlorthalidone, Serum/Plasma 1275SP Clonidine, Serum/Plasma