Brief Article
Copyright ©2010 Baishideng Publishing Group Co.
World J Gastroenterol. Aug 28, 2010; 16(32): 4084-4088
Published online Aug 28, 2010. doi: 10.3748/wjg.v16.i32.4084
Table 1 Methods to determine biomarkers and upper or lower limits of normality used in our laboratory
Diagnostic factorsMethodsLower and upper limits
Total bilirubin (μmol/L)Jendrassik-Grof2-20
Direct bilirubin (μmol/L)Jendrassik-Grof0-10
Alanine aminotransferase (U/L)Rate0-40
Aspartate aminotransferase (U/L)Rate0-42
Serum total protein (g/L)Biuret60-80
Globulin (g/L)27-35
γ-glutamyltransferase (U/L)Nitrophenol rate0-50
Alkaline phosphatase (U/L)P-nitrophenol phosphate rate45-132
Lactate dehydrogenase (U/L)Rate80-240
Carcinoembryonic antigen (μg/L)Elisa0-5