A B C D E F G H I J K L M N O P Q R S T U V W X Y Z #

AMMONIA

Test Code
LAB47


Alias/See Also
NH3


CPT Codes
82140

Preferred Specimen
Lavender top tube


Minimum Volume
2.0 mL


Instructions
Specimen must be transported on ice and received in the Lab within 30 minutes of collection.


Transport Temperature
Specimen must be transported on ice and received in the Lab within 30 minutes of collection.


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Gross hemolysis


Methodology
UV, GDH (kinetic endpoint with sample blank)

Setup Schedule
Set Up: STAT 1 hour


Reference Range
Ammonia   2 - 47 umol/L


Clinical Significance
For the quantitative determination of ammonia in plasma. Ammonia measurements are used in the diagnosis and treatment of severe liver disorders such as cirrhosis, hepatitis, and Reyes Syndrome.


Performing Laboratory
GBMC Chemistry



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.