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Hemochromatosis and Iron Overload

Hemochromatosis and Iron Overload. Sept. 17, 2009 ICD-9-CM Coordination and Maintenance Committee Meeting. Hemochromatosis (Iron Overload). Primary Hereditary Hemochromatosis Acquired (Secondary) Iron Overload Other Iron Overload (rarely as severe). Hemochromatosis (Iron Overload).

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Hemochromatosis and Iron Overload

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  1. Hemochromatosis and Iron Overload Sept. 17, 2009 ICD-9-CM Coordination and Maintenance Committee Meeting

  2. Hemochromatosis (Iron Overload) • Primary Hereditary Hemochromatosis • Acquired (Secondary) Iron Overload • Other Iron Overload (rarely as severe)

  3. Hemochromatosis (Iron Overload) • Primary Hereditary Hemochromatosis • HFE-associated (type 1) • C282Y homozygosity • C282Y/H63D compound heterozygosity • Juvenile; hepcidin and hemojuvelin mutations (type 2) • transferrin receptor 2 mutations (type 3) • ferroportin mutations (type 4) • Acquired (Secondary) Iron Overload • Other Iron Overload (rarely as severe) References: OMIM articles 235200, 602390, 604250, and 606069. Conn’s Current Therapy 2008, Ch. 14, Hemochromatosis.

  4. Hemochromatosis (Iron Overload) • Primary Hereditary Hemochromatosis • Acquired (Secondary) Iron Overload • Iron loading anemias • Thalassemia major • Sideroblastic anemia • Chronic hemolytic anemia • Dietary iron overload • Parenteral iron overload (including multiple blood transfusions) • Other Iron Overload (rarely as severe) References: Conn’s Current Therapy 2008, Ch. 14, Hemochromatosis.

  5. Hemochromatosis (Iron Overload) • Primary Hereditary Hemochromatosis • Acquired (Secondary) Iron Overload • Other Iron Overload (rarely as severe) • Long term hemodialysis • Chronic liver disease (alcoholic; hepatitis C) • Porphyria cutanea tarda • Dysmetabolic iron overload syndrome • Post portacaval shunting • Iron overload in Africa • Neonatal iron overload • Aceruloplasminemia • Congenital atransferrinemia References: Conn’s Current Therapy 2008, Ch. 14, Hemochromatosis.

  6. Concepts for Coding in Iron Overload • Hemochromatosis, unspecified • Primary hereditary hemochromatosis • Hemochromatosis due to multiple blood transfusions • Iron overload due to conditions classified elsewhere • Code first underlying conditions • Other iron overload • Other hemochromatosis

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