Ammonia
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.
Ammonia Adults:
Children:
40–80 µg/dL
28–57 µmol/L
Newborns:
90–150 µg/dL
64–107 µmol/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).
 Go to previous section |  Go to top of page |  Go to next section |
| Author: | Sydney Youngerman-Cole, RN, BSN, RNC | Last Updated January 18, 2006 |
| Medical Review: | Martin Gabica, MD - Family Medicine Jerome B. Simon, MD, FRCPC, FACP - Gastroenterology | |
This information does not replace the advice of a doctor. Healthwise disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions. | ||
 | ||
| |
| Topic Contents | |
| Test Overview | |
| Why It Is Done | |
| How To Prepare | |
| How It Is Done | |
| How It Feels | |
| Risks | |
 | Results |
| What Affects the Test | |
| What To Think About | |
| References | |
| Credits | |