Xylene Exposure Panel, Urine Test (4821U)
||Xylene Exposure Panel, Urine
||2-Methylhippuric Acid; 2-Methylhippuric Acid (Creatinine corrected); 3- and 4-Methylhippuric Acid; 3- and 4-Methylhippuric Acid (Creatinine corrected); Creatinine; Methylhippuric Acids - Total; Methylhippuric Acids - Total (Creatinine corrected)
||Metabolites of Xylenes; Methylhippurates; Organic Acids; Toluic acids
||Occupational Exposure Monitoring; This test is New York State approved.
||Biological Marker (Renal), Aromatic Solvents Metabolites
High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS)
||3 mL Urine
||Plastic container (preservative-free)
||Collect sample at end of shift.
Acidify with 1.0 mL acetic acid per 100 mL urine.
|Light Protection Required
||Room Temperature: 5 day(s)
Refrigerated: 30 day(s)
Frozen (-20 °C): 30 day(s)
||Received Room Temperature.
|Day(s) Test Set-up / TAT
||[Colorimetry] Monday-Saturday 2nd Shift / 1 day
[LC-MS/MS] Thursday / 3 days
|Suggested CPT Code
(when required, addl' fee may apply)
|6022U - Specific Gravity Confirmation, Urine
|Test Summary Sheet
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.