Test Catalog Search Home Test Catalog Search Testing Choices: From the standard to the extraordinary × Search Clear Filter by: Clear all Method(s) Colorimetry (C) (1) Enzymatic Assay (EZA) (2) Gas Chromatography (GC) (1) Sample Type Serum or Plasma (1) Urine (2) Test Area Exposure (3) Test Category Analgesics (36) Antacids (2) Antianxiety (3) Antiepileptics/Antiseizures (2) Antipsychotics (4) Antispasmodics (3) Drugs of Abuse (1) Industrial/Environmental Toxins (1) Muscle Relaxants (4) (-) Other (3) Pesticides/Insecticides (4) Test Sub-Category Other (3) Test Test Name 1352U o-Cresol, Urine 3250SP Oxalate, Serum/Plasma 3250U Oxalate, Urine