Disease or Syndrome
hyperammonemia
Subclass of:
Pathologic Processes
Definitions related to hyperammonemia:
  • A laboratory test result demonstrating an increased concentration of ammonia in the blood.
    NCI
    U.S. National Cancer Institute, 2021
  • Elevated level of AMMONIA in the blood. It is a sign of defective CATABOLISM of AMINO ACIDS or ammonia to UREA.
    NLM Medical Subject Headings
    U.S. National Library of Medicine, 2025
  • Ammonia is a normal constituent of all body fluids. At physiologic pH, it exists mainly as ammonium ion.
    Medscape
    WebMD, 2025
  • Hyperammonemia, disorder due to excessive amounts of ammonia in the blood caused by a genetic defect present at birth, by a genetic defect acquired in adulthood, or by liver disease. Ammonia is metabolized by the liver to produce a nitrogenous compound known as urea that is excreted in the urine....
    Encyclopedia Britannica
    Encyclopedia Britannica, Inc., 2025
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