Ammonia Level

Alternate Names

  • Plasma Ammonia
  • NH3

Ammonia is the result of the breakdown of proteins, and is usually converted into urea by the liver and excreted in urine. Liver disease prevents the conversion of urea, which leads to increased levels. This blood test measures ammonia levels, and is used to diagnose severe liver diseases or decreased kidney function, and to monitor your response to treatment. High ammonia blood levels lead to changes in mental alertness, coma, or even death.


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