What does a high ALST indicate?

A high level of alanine aminotransferase (ALT) typically indicates liver cell injury or inflammation. Among the conditions listed, Chronic Hepatitis C is particularly associated with elevated ALT levels. In Chronic Hepatitis C, the liver becomes chronically inflamed due to the presence of the Hepatitis C virus, which can lead to significant liver damage over time. High ALT levels often reflect the activity of the virus and the degree of liver inflammation.

While Chronic Hepatitis B, Liver Cirrhosis, and Alcoholic Hepatitis can also result in elevated ALTs, the pattern of ALT elevation can vary. For instance, in Liver Cirrhosis, the liver function may decline to the point that ALT levels may not be significantly elevated. Alcoholic Hepatitis is another potential cause, but the elevation of ALT is typically not as pronounced as in Hepatitis C, and additional clinical context is needed. Therefore, the high ALT is most indicative of Chronic Hepatitis C among the options provided.