Ammonia: Results
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Results
An ammonia test measures the amount of ammonia in the blood. Results are usually available within 12 hours.
Normal
Normal values may vary from lab to lab.
Adults: | ||
|---|---|---|
Children: | 40–80 mcg/dL | 28–57 mcmol/L |
Newborns: | 90–150 mcg/dL | 64–107 mcmol/L |
High values
High levels of ammonia in the blood may be caused by:
- Liver disease, such as cirrhosis or hepatitis.
- Reye's syndrome.
- Heart failure.
- Kidney failure.
- Severe bleeding from the stomach or intestines.
High ammonia values in a baby may be present when the blood types of a mother and her baby do not match (hemolytic disease of the newborn).
| Last updated: | January 02, 2008 |
|---|---|
| Author: | Maria G. Essig, MS, ELS |
| Reviewed By: | Kathleen Romito, MD - Family Medicine, Jerome B. Simon, MD, FRCPC, FACP - Gastroenterology |
| Editors: | Susan Van Houten, RN, BSN, MBA, Tracy Landauer |
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