8 Loeb et al. Development of Minimum Criteria for the Initiation of Antibiotics in Residents of Long-Term-Care Facilities: Results of a Consensus Conference. Inf Con Hosp Epi 2001;22:120-124. 9 Orr P, Nicolle LE, Duckworth H, et al.
1 The blood tests most frequently used for liver disease are the aminotransferases (alanine aminotransferase or ALT and aspartate aminotransferase or AST). 2  Normal levels of ALT ranges from about 7-56 units/liter, and 10-40units/liters for AST. The blood tests most frequently used for liver disease are the aminotransferases (alanine aminotransferase or ALT and aspartate aminotransferase or AST). 2  Normal levels of ALT ranges from about 7-56 units/liter, and 10-40units/liters for AST.
Aspartate aminotransferase (AST) blood test. The aspartate aminotransferase (AST) blood test measures the level of the enzyme AST in the blood. A blood sample is needed. No special preparation is needed. When the needle is inserted to draw blood, some people feel moderate pain.