hemochromatosis type 4 (MONDO_0011631) is a form of rare hemochromatosis (HC) characterized by increased transferrin saturation and hepatocellular iron deposition with distribution patterns and clinical features indistinguishable from patients with other types of HC. Also known as: Ferroportin Disease, HFE4, SLC40A1 hereditary hemochromatosis, autosomal dominant hereditary hemochromatosis, ferroportin disease, hemochromatosis due to defect in ferroportin, hereditary hemochromatosis caused by mutation in SLC40A1.