Hemochromatosis, Type 2b, also known as hemochromatosis type 2b, is related to acute porphyria and congenital dyserythropoietic anemia. An important gene associated with Hemochromatosis, Type 2b is HAMP (Hepcidin Antimicrobial Peptide), and among its related pathways/superpathways are Insulin receptor recycling and TAR syndrome. Affiliated tissues include skin and heart, and related phenotypes are secondary amenorrhea and hepatic fibrosis