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) Sample Type Blood (4) Fluid (1) Serum or Plasma (3) Tissue (1) (-) Urine (1) Test Area Exposure (2) (-) Therapeutics (1) Test Category Muscle Relaxants (1) Test Sub-Category Antispasmodics (1) Benzodiazepines (1) Opiates/Opioids (6) (-) Other (1) Test Test Name 3248U Orphenadrine, Urine