This test measures the level of ammonia in your blood. Ammonia, also known as NH3, is a waste product made by your body during the digestion of protein. Normally, ammonia is processed in the liver, where it is changed into another waste product called urea. Urea is passed through the body in urine.
If your body can't process or eliminate ammonia, it builds up in the bloodstream. High ammonia levels in the blood can lead to serious health problems, including brain damage, coma, and even death.
High ammonia levels in the blood are most often caused by liver disease. Other causes include kidney failure and genetic disorders.
A high level of ammonia may indicate uncommon genetic disorders, failure of the kidneys, or severe liver disease. Other diagnoses that may be indicated by high level of ammonia in the blood include Reye Syndrome and hepatic encephalopathy.
Regardless of having a diagnosis of liver or kidney problems, you should test for ammonia if mental changes or lapsing in a coma have occurred. In newborns and children, test if patient has frequent vomiting (emesis) or increased lethargy while recovering from viral illnesses.
Note: The medical information provided here in this website is for informational purposes only and is not to be used as a substitute for professional medical advice, diagnosis or treatment.