Colorimetry (C)
Gas Chromatography/Mass Spectrometry (GC/MS)
Suggested CPT Code(s)
New York State Approval Status


Turnaround Time

6 days (If Positive: 11 days)

Test Includes
1 Creatinine Colorimetry (C) mg/L 100 Biological Marker (Renal)
2 Formic Acid Formate Gas Chromatography/Mass Spectrometry (GC/MS) mcg/mL 0.5 Environmental/Occupation Toxin
3 Formic Acid (Creatinine corrected) Gas Chromatography/Mass Spectrometry (GC/MS) mg/g Creat Environmental/Occupation Toxin

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
Requested Volume
3 mL
Minimum Volume
1.4 mL
Special Handling
Freeze immediately and ship with dry ice.
Sample Container
Plastic container (preservative-free)

Additional Collection Instructions

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

Rejection criteria pertain to clinical sample submissions only.

Room Temperature: Not Stable
Refrigerated: Not Stable
Frozen (-20 °C): 16 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.