Test Code 2029U

Test Name Ethylbenzene Exposure Biouptake, Urine

Method(s)
Colorimetry (C)
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS)
Suggested CPT Code(s)
82570
83921
New York State Approval Status

Approved

Turnaround Time

7 days (If Positive: 12 days)

Test Includes
1 Creatinine Colorimetry (C) mg/L 100 Biological Marker (Renal)
2 Phenylglyoxylic Acid Benzoylformic acid; Phenylglyoxylate; Styrene and Ethylbenzene Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) g/L 0.001 Aromatic Solvents Metabolites
3 Phenylglyoxylic Acid (Creatinine corrected) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) g/g Creat
4 Mandelic Acid alpha-Hydroxyphenylacetic acid; Mandelate; Styrene and Ethylbenzene Metabolite High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) g/L 0.005 Aromatic Solvents Metabolites
5 Mandelic Acid (Creatinine corrected) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) g/g Creat
6 Mandelic Acid Plus Phenylglyoxylic Acid (Creatinine corrected) High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) g/g Creat

Test Also Known As
Organic Acids
Reflex Tests
Test Code Test Name
6022U Specific Gravity Confirmation, Urine
Compliance Statement
This test was developed and its performance characteristics determined by NMS Labs. It has not been cleared or approved by the US Food and Drug Administration.
Sample Type
Urine
Requested Volume
3 mL
Minimum Volume
1.1 mL
Special Handling
Collect sample at end of shift.
Acidify with 1.0 mL acetic acid per 100 mL urine. Frozen stability was determined without acid.
Sample Container
Plastic container (preservative-free)

Additional Collection Instructions

Transport Temperature
Refrigerated
Light Protection
Not Required
Rejection Criteria
Received Room Temperature.

Rejection criteria pertain to clinical sample submissions only.

Stability
Room Temperature: 5 day(s)
Refrigerated: 30 day(s)
Frozen (-20 °C): 1 month(s)

The CPT Codes provided in this document are based on AMA Guidelines and are for informational purposes only. NMS Labs Does not assume responsibility for billing errors due to Reliance on the CPT Codes listed in this document.

*The information contained in this document represents database configurations, as they will appear on the effective date listed above.