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) Sample Type Blood (2) (-) Serum or Plasma (1) Urine (2) Test Area Therapeutics (1) Test Category Alcohols (1) (-) Analgesics (1) Antiarrhythmics (3) Anticholinergics (1) Antidepressants (1) Antidiabetics (2) Antiepileptics/Antiseizures (7) Antihistamines (2) Antineoplastics (1) Antipsychotics (4) Appetite Suppressants (1) Chemicals (1) Hallucinogens (1) Herbicides (2) Immunosuppressants (1) Industrial/Environmental Toxins (1) Metals/Elements (1) Muscle Relaxants (1) Opiate/Opioid Antagonists (2) Other (2) Perfluorinated Compounds (3) Pesticides/Insecticides (1) Stimulants (2) Therapeutics (1) Vasodilators (2) Volatiles (3) Test Sub-Category Antibiotics (1) Antifungals (1) Antivirals (1) NSAIDs (5) Opiates/Opioids (7) (-) Other (1) Test Test Name 3525SP Phenazopyridine, Serum/Plasma