Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Enzymatic Assay (EZA) (1) Sample Type (-) Serum or Plasma (1) Urine (2) Test Area Exposure (1) Test Category Antiepileptics/Antiseizures (1) Antipsychotics (1) Muscle Relaxants (1) (-) Other (1) Pesticides/Insecticides (1) Test Sub-Category Opiates/Opioids (1) (-) Other (1) Test Test Name 3250SP Oxalate, Serum/Plasma