Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzyme-Linked Immunosorbent Assay (ELISA) (3) Enzyme Immunoassay (EIA) (3) Gas Chromatography (GC) (3) Gas Chromatography/Mass Spectrometry (GC/MS) (2) Headspace Gas Chromatography (GC) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) High Performance Liquid Chromatography/Time of Flight-Mass Spectrometry (LC/TOF-MS) (2) Sample Type Blood (3) Serum or Plasma (2) (-) Urine (2) Test Area Therapeutics (2) Test Category (-) Analgesics (2) Anesthetics (1) Antidepressants (1) Antiepileptics/Antiseizures (1) Antihistamines (1) Antihypertensives (1) Antipsychotics (1) Appetite Suppressants (1) Decongestants (4) Diagnostic Aids (1) Hallucinogens (2) Plasticizers (1) Test Sub-Category NSAIDs (1) Other (1) Test Test Name 3510U Phenacetin and Metabolite, Urine 3781U Piroxicam, Urine