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) (3) Sample Type Blood (5) Serum or Plasma (5) (-) Urine (3) Test Area (-) Therapeutics (3) Test Category Analgesics (1) Antacids (1) Antianxiety (3) (-) Anticholinergics (1) Antidepressants (5) Antiepileptics/Antiseizures (1) Antihistamines (5) (-) Antihypertensives (2) Antimicrobials (1) Antipsychotics (2) Muscle Relaxants (2) Sedative/Hypnotics (6) Stimulants (2) Test Sub-Category Alpha-2 Adrenergic Agonists (1) Calcium Channel Blockers (1) Other (1) Test Test Name 1275U Clonidine, Urine 1575U Dicyclomine, Urine 1640U Diltiazem, Urine