Ammonia Level (NH3)

Message


Transport on ice after draw and centrifuge without delay. Analyze within 30 minutes of centrifugation. Separated specimens are stable for 2 hours at 2-8 degrees. Do not store or transport at room temperature. 




Test Code
NH3


Preferred Specimen
1 mL Plasma- lithium heparin


Instructions


Transport on ice after draw and centrifuge without delay. Analyze within 30 minutes of centrifugation.




Transport Container
NH3, PST placed on Ice


Transport Temperature
On Ice


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Stability: Analyze within 30 minutes of centrifugation.


Methodology
Enzymatic

Setup Schedule
Testing Frequency: STAT


Reference Range
"M Up to 19 Years 0 - 50 umol/L
M Up to 150 Years 11 - 32 umol/L
F Up to 19 Years 0 - 50 umol/L
F Up to 150 Years 11 - 32 umol/L"




The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.