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) (3) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (2) Urine (2) Test Area Therapeutics (4) Test Category (-) Analgesics (2) Antidiabetics (2) Antiepileptics/Antiseizures (8) Antihistamines (4) Antipsychotics (7) Appetite Suppressants (3) (-) Diagnostic Aids (2) Exposure (1) Hallucinogens (10) Herbicides (2) Perfluorinated Compounds (4) Plasticizers (1) Test Sub-Category NSAIDs (3) Opiates/Opioids (2) (-) Other (4) Test Test Name 3510B Phenacetin and Metabolite, Blood 3510U Phenacetin and Metabolite, Urine 9249B Pseudoephedrine vs Ephedrine Differentiation Screen, Blood 9249U Pseudoephedrine vs Ephedrine Differentiation Screen, Urine