Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (1) Fluid (1) (-) Serum or Plasma (1) (-) Urine (1) Test Area Therapeutics (2) Test Category Anesthetics (3) Antianxiety (2) Anticholinergics (2) Antidepressants (4) Antiepileptics/Antiseizures (1) Antihistamines (2) Antipsychotics (1) Antitussives/Cough Suppressants (2) Diuretics (1) (-) Muscle Relaxants (2) Plasticizers (2) Volatiles (3) Test Sub-Category (-) Other (2) Test Test Name 2111SP Baclofen, Serum/Plasma 2111U Baclofen, Urine