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 (2) Serum or Plasma (2) (-) Urine (2) Test Area Drugs of Abuse (2) (-) Therapeutics (2) Test Category Analgesics (1) Antacids (1) Antianxiety (3) Anticholinergics (1) Antidepressants (5) Antiepileptics/Antiseizures (1) Antihistamines (5) Antihypertensives (2) Antimicrobials (1) Antipsychotics (2) Biomarkers (1) Industrial/Environmental Toxins (3) Metals/Elements (5) Muscle Relaxants (2) Other (1) Pesticides/Insecticides (1) Sedative/Hypnotics (5) Solvents (4) (-) Stimulants (2) Volatiles (2) Test Sub-Category Alpha/Beta Adrenergic Agonists (1) Appetite Suppressants (1) Test Test Name 1600U Diethylpropion, Urine 1950U Ephedrine, Urine