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 (25) Antacids (2) Antianxiety (3) Antiepileptics/Antiseizures (2) Antipsychotics (2) Antispasmodics (3) Industrial/Environmental Toxins (1) Muscle Relaxants (4) (-) Other (2) Pesticides/Insecticides (2) Test Sub-Category Other (2) Test Test Name 1352U o-Cresol, Urine 3250SP Oxalate, Serum/Plasma