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 (1) (-) Serum or Plasma (2) Urine (1) Test Area (-) Therapeutics (2) Test Category Analgesics (17) Antacids (2) Antianxiety (2) Antiarrhythmics (4) Anticholinergics (1) Antidepressants (7) Antidiabetics (2) Antiepileptics/Antiseizures (15) Antihistamines (2) Antihypertensives (6) Antimicrobials (3) Antineoplastics (1) Antipsychotics (6) Antispasmodics (1) Appetite Suppressants (1) (-) Decongestants (2) Immunosuppressants (1) Muscle Relaxants (1) Opiate/Opioid Antagonists (2) Other (1) Sedative/Hypnotics (4) Stimulants (2) Vasodilators (1) Test Sub-Category Alpha-1 Adrenergic Agonists (1) Sympathomimetic Agents (1) Test Test Name 3704SP Phenylephrine, Serum/Plasma 3720SP Phenylpropanolamine, Serum/Plasma