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) (1) Gas Chromatography (GC) (1) Sample Type (-) Serum or Plasma (1) (-) Urine (1) Test Area Exposure (2) Test Category Analgesics (15) Antacids (1) Antianxiety (2) Antiepileptics/Antiseizures (1) Antipsychotics (1) Antispasmodics (2) Industrial/Environmental Toxins (1) Muscle Relaxants (2) (-) Other (2) Pesticides/Insecticides (1) Test Sub-Category Other (2) Test Test Name 1352U o-Cresol, Urine 3250SP Oxalate, Serum/Plasma