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) (-) Gas Chromatography (GC) (2) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) (12) High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS) (1) Sample Type (-) Blood (2) Serum or Plasma (1) Urine (1) Test Area Exposure (1) (-) Therapeutics (2) Test Category Muscle Relaxants (2) Test Sub-Category Other (2) Test Test Name 3248B Orphenadrine, Blood 9219B Orphenadrine Screen, Blood