The serum level of amylase (sAm) is commonly used as a biochemical marker for diagnosis and management of pancreatic disorders. However, the use of the urine level of amylase (uAm) is limited in practice, because the diagnostic ability of uAm is inferior to that of sAm. | Urinary amylase / urinary creatinine ratio (uAm/ uCr) - a less-invasive parameter for management of hyperamylasemia