Pancreas ICD-9 557.0 Acute Pancreatitis In ICD-10 the options include: B25.2 ….. Cytomegaloviral pancreatitis Excludes 1 congenital cytomegalovirus infection (P35.1) cytomegaloviral mononucleosis (B27.1-) K85.0 ….. Idiopathic acute pancreatitis K85.1 ….. Biliary acute pancreatitis K85.2 ….. Alcohol induced acute pancreatitis K85.3 ….. Drug induced acute pancreatitis K85.8 ….. Other acute pancreatitis K85.9 …. Acute pancreatitis, unspecified