Table 1. Classification of... | American Society of Hematology

Table 1.

Classification of hemochromatosis.

Hereditary hemochromatosis
1. Classical hemochromatosis (hereditary hemochromatosis; HFE hemochromatosis) (Type 1)
2. Juvenile hemochromatosis (Type 2)
  - Chromosome 1q-linked
  - Abnormality of hepcidin
3. Transferrin receptor-2 deficiency (Type 3)
4. Ferroportin deficiency (includes some cases of African iron overload^1,²) (Type 4)
5. African iron overload
Secondary hemochromatosis