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Xylene Exposure Panel, Urine
Test Code30443
CPT Codes
82570, 83921
Includes
Creatinine
2-Methylhippuric Acid and 2-Methylhippuric Acid (Creatinine corrected)
3- and 4-Methylhippuric Acid and 3- and 4-Methylhippuric Acid (Creatinine corrected)
Methylhippuric Acids - Total and Methylhippuric Acids - Total (Creatinine corrected)
2-Methylhippuric Acid and 2-Methylhippuric Acid (Creatinine corrected)
3- and 4-Methylhippuric Acid and 3- and 4-Methylhippuric Acid (Creatinine corrected)
Methylhippuric Acids - Total and Methylhippuric Acids - Total (Creatinine corrected)
Preferred Specimen
3 mL urine collected in a plastic container (preservative free)
Minimum Volume
1.1 mL
Instructions
Collect sample at end of shift. Acidify with 1 mL acetic acid per 100 mL urine.
Transport Temperature
Refrigerated (cold packs)
Specimen Stability
Room temperature: 5 days
Refrigerated: 30 days
Frozen: 30 days
Refrigerated: 30 days
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received room temperature
Methodology
Ion Chromatography (IC) • Colorimetry (C)
Setup Schedule
Set up: As needed; Report avail: 8 days (If positive: 12 days)
Clinical Significance
Xylene is commonly used as a solvent in paints, household products, gasoline and insecticides. Some forms of xylene are used in the synthesis of vitamins and pharmaceuticals. It is also often found in hazardous waste sites. Symptoms of exposure include skin irritation, nausea, vomiting, abdominal distress, dryness and scaling of skin and vasodilation of skin.
