Exocrine Pancreatic Insufficiency, Dyserythropoietic Anemia, and Calvarial Hyperostosis, is also known as exocrine pancreatic insufficiency dyserythropoietic anemia and calvarial hyperostosis,and has symptoms including carious teeth, osteopenia and jaundice. An important gene associated with Exocrine Pancreatic Insufficiency, Dyserythropoietic Anemia, and Calvarial Hyperostosis is COX4I2 (Cytochrome C Oxidase Subunit 4I2). Affiliated tissues include skin and bone