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    Ammonia

    Ammonia



    Test Overview

    An ammonia test measures the amount of ammonia in the blood. Most ammonia in the body forms when Reference protein Opens New Window is broken down by bacteria in the Reference intestines Opens New Window. The Reference liver Opens New Window normally converts ammonia into Reference urea Opens New Window, 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 Reference cirrhosis Opens New Window or severe Reference hepatitis Opens New Window.

    For this test, a blood sample may be taken from either a vein or an artery.




    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


    This information does not replace the advice of a doctor. Healthwise, Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Reference Terms of Use. Reference How this information was developed to help you make better health decisions.


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