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) Headspace Gas Chromatography (GC) (2) (-) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (4) Sample Type Blood (2) Serum or Plasma (1) Urine (1) Test Area Therapeutics (4) Test Category Antiarrhythmics (1) Anticholinergics (3) Antidepressants (4) (-) Antipsychotics (2) Antitussives/Cough Suppressants (3) (-) Diagnostic Aids (2) Diuretics (1) Drugs of Abuse (3) Other (1) Stimulants (4) Test Sub-Category (-) Other (4) Test Test Name 9182B Haloperidol Screen, Blood 9182SP Haloperidol Screen, Serum/Plasma 9249B Pseudoephedrine vs Ephedrine Differentiation Screen, Blood 9249U Pseudoephedrine vs Ephedrine Differentiation Screen, Urine