hemochromatosis type 1 obsolete symptomatic form of hemochromatosis type 1 https://github.com/monarch-initiative/mondo/issues/4784 https://github.com/monarch-initiative/mondo/issues/7693 true MONDO:0034028 Orphanet:465508 OBSOLETE. Symptomatic form of hemochromatosis type 1 is a rare, hereditary hemochromatosis characterized by inappropriately regulated intestinal iron absorption which leads to excessive iron storage in various organs and manifests with a wide range of signs and symptoms, including abdominal pain, weakness, lethargy, weight loss, elevated serum aminotransferase levels, increase in skin pigmentation, and/or arthropathy in the metacarpophalangeal joints. Other commonly associated manifestations include hepatomegaly, cirrhosis, liver fibrosis, hepatocellular carcinoma, restrictive cardiomyopathy and/or diabetes mellitus.