Why It Is Done
An ammonia test is done to:
- Check how well the liver is working, especially when symptoms of confusion, excessive sleepiness, coma, or hand tremor are present.
- Check the success of treatment for severe liver disease, such as cirrhosis.
- Help identify a childhood disorder called Reference Reye syndrome Opens New Window that can damage the liver and the brain. Ammonia testing can also help predict the outcome (prognosis) of a diagnosed case of Reye syndrome.
- Help predict the outcome (prognosis) of a diagnosed case of acute liver failure.
- Check the level of ammonia in a person receiving high-calorie Reference intravenous (IV) Opens New Window nutrition (hyperalimentation).
|By:||Reference Healthwise Staff||Last Revised: Reference November 4, 2011|
|Medical Review:||Reference E. Gregory Thompson, MD - Internal Medicine
Reference Jerome B. Simon, MD, FRCPC, FACP - Gastroenterology