Xylene Exposure Panel, Urine Test (4821U)

Xylene Exposure Panel, Urine Test (4821U)

Analysis Code 4821U 
Test Name Xylene Exposure Panel, Urine 
Test Includes 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) 
Compound Synonym(s) Metabolites of Xylenes; Methylhippurates; Organic Acids; Toluic acids 
Purpose Occupational Exposure Monitoring; This test is New York State approved. 
Category Biological Marker (Renal), Aromatic Solvents Metabolites 
Method(s) Colorimetry (C)
High Performance Liquid Chromatography/
TandemMass Spectrometry (LC-MS/MS) 
Specimen Requirements 3 mL Urine 
Transport Temperature Refrigerated 
Specimen Container Plastic container (preservative-free) 
Special Handling Collect sample at end of shift.
Acidify with 1.0 mL acetic acid per 100 mL urine. 
Light Protection Required Not Required 
Stability Room Temperature: 5 day(s)
Refrigerated: 30 day(s)
Frozen (-20 °C): 30 day(s) 
*Rejection Criteria Received Room Temperature. 
Day(s) Test Set-up / TAT [Colorimetry] Monday-Saturday / 1 day
[LC-MS/MS] Thursday / 3 days 
Suggested CPT Code 82570
**Minimum Volume 1.1 mL 
Reflex Testing
(when required, addl' fee may apply)
6022U - Specific Gravity Confirmation, Urine 
Test Summary Sheet Generate  

You are viewing Xylene Exposure Panel, Urine Test (4821U)
*Rejection criteria pertain to clinical specimen submissions only.
**Stated minimum volume allows for a single analysis. Repeat analysis will not be performed.

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Price: $126.00