Ammonia,Blood
Test Description Ammonia is a waste product that forms as a result of nitrogen breakdown during intestinal protein metabolism and from digestion of blood which may be in the gastrointestinal tract (such as from esophageal varices). Another major source of ammonia is from the synthesis and conversion of glutamine by the renal tubules. In the kidneys, ammonia serves as an important renal buffer. Normally, ammonia is converted into urea by the liver and then excreted by ...