Ammonia
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Test Overview
An ammonia test measures the amount of ammonia in the blood. Most ammonia in the body forms when protein is broken down by bacteria in the intestines. The liver normally converts ammonia into urea, which is then eliminated in urine.
Ammonia levels in the blood rise when the liver is not able to convert ammonia to urea. This may be caused by cirrhosis or severe hepatitis.
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| Last updated: | January 18, 2006 |
|---|---|
| Author: | Sydney Youngerman-Cole, RN, BSN, RNC |
| Reviewed By: | Martin Gabica, MD - Family Medicine, Jerome B. Simon, MD, FRCPC, FACP - Gastroenterology |
| Editors: | Susan Van Houten, RN, BSN, MBA, Tracy Landauer |
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