Test Summary Sheet for:

Purpose
Exposure Monitoring
Method(s)
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS)
Suggested CPT Code(s)
83789
New York State Approval Status

Approved

Known Interference(s)
o-Toluidine [LC-MS/MS]: N-Methylaniline
Turnaround Time

8 days

Test Includes
1 o-Toluidine 1-Amino-2-methylbenzene; 1-Methyl-2-aminobenzene; 2-Amino-1-methylbenzene; 2-Aminotoluene; 2-Methyl-1-aminobenzene; 2-Methylaniline; 2-Methylbenzenamine; o-Aminotoluene; o-Methylaniline; o-Methylbenzenamine; o-Tolyamine High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 0.25 Industrial chemical N-Methylaniline

Specimen Type
Urine
Requested Volume
7 mL
Minimum Volume
3.2 mL
Special Handling
Collect urine in a 50 mL plastic bottle containing 5 grams of citric acid. Collect sample at end of shift.
Specimen Container
Plastic container (preservative-free)

Additional Collection Instructions

Transport Temperature
Refrigerated
Light Protection
Not Required
Rejection Criteria
None

Rejection criteria pertain to clinical specimen submissions only.

Stability
Room Temperature: 30 day(s)
Refrigerated: 30 day(s)
Frozen (-20 °C): 30 day(s)
1 o-Toluidine 1-Amino-2-methylbenzene; 1-Methyl-2-aminobenzene; 2-Amino-1-methylbenzene; 2-Aminotoluene; 2-Methyl-1-aminobenzene; 2-Methylaniline; 2-Methylbenzenamine; o-Aminotoluene; o-Methylaniline; o-Methylbenzenamine; o-Tolyamine High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS) ng/mL 0.25 Industrial chemical N-Methylaniline

Interface Map

LOINC® Information

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.