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 (1) (-) Urine (2) Test Area Therapeutics (2) Test Category Alcohols (2) (-) Analgesics (2) Anticholinergics (1) Antiepileptics/Antiseizures (1) Antihistamines (1) Antipsychotics (1) Appetite Suppressants (1) Cholinesterase Inhibitors (1) Diagnostic Aids (1) Drugs of Abuse (2) Hallucinogens (3) Metals/Elements (1) Plasticizers (1) Solvents (1) Therapeutics (3) Volatiles (2) Test Sub-Category NSAIDs (1) Opiates/Opioids (3) (-) Other (2) Test Test Name 3510U Phenacetin and Metabolite, Urine 3525U Phenazopyridine, Urine