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) Gas Chromatography/Mass Spectrometry (GC/MS) (3) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (2) Sample Type Blood (1) Test Area Therapeutics (1) Test Category Analgesics (5) Anesthetics (8) Antianxiety (2) Antiarrhythmics (4) Antidepressants (19) Antiepileptics/Antiseizures (5) Antihistamines (3) Antimicrobials (1) Antipsychotics (11) (-) Muscle Relaxants (1) Sedative/Hypnotics (5) Vasodilators (1) Test Sub-Category Other (1) Test Test Name 9219B Orphenadrine Screen, Blood