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 (5) Serum or Plasma (6) (-) Urine (2) Test Area Exposure (1) Therapeutics (1) Test Category Analgesics (1) Antianxiety (3) Anticholinergics (1) Antidepressants (4) Antihistamines (2) (-) Antihypertensives (1) Antitussives/Cough Suppressants (4) Diuretics (1) Drugs of Abuse (9) Drugs of Abuse, Therapeutics (3) Industrial/Environmental Toxins (2) NPS/Designer Drugs (3) Pesticides/Insecticides (1) Potassium Channel Blockers (1) Solvents (2) Stimulants (1) (-) Volatiles (1) Test Sub-Category Calcium Channel Blockers (1) Other (1) Test Test Name 1589U Diethylene Glycol, Urine 1640U Diltiazem, Urine