AHA Coding Clinic® for ICD-9 - 2010 Issue 4; VOLUMES 1 & 2 NEW/REVISED CODES
Transfusion-Associated Hemochromatosis (Iron Overload)
Effective October 1, 2010, code 275.0, Disorders of iron metabolism, was expanded and new codes created to describe hereditary hemochromatosis (275.01); hemochromatosis due to repeated red blood cell transfusions (275.02); other hemochromatosis (275.03) and other disorders of iron metabolism (275.09). Hereditary hemochromatosis is a genetic disorder that causes the body to absorb and store too much iron. In the most common type, the culprit gene, HFE, regulates iron absorption. This gene mutation causes iron overload, which can lead to tissue and organ damage. Two specific less common types of hereditary hemochromatosis include juvenile hemochromatosis...
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Article Overview
This article covers transfusion-associated hemochromatosis and related iron overload terminology in the context of ICD-9-CM updates effective October 1, 2010. It discusses the broader clinical background of hereditary and secondary hemochromatosis, then presents the affected diagnosis categories and a brief coding scenario involving chronic transfusion-related iron overload. It is intended for coders, billing staff, and clinical documentation reviewers who need to understand the scope of the condition and the diagnosis code framework discussed in the article.
Why This Topic Matters
Iron overload from repeated transfusions can appear alongside complex chronic conditions, so accurate understanding of the article helps support consistent diagnosis classification and documentation review within the referenced code set.
Article Sections
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ICD-9-CM code changes effective October 1, 2010
Overview of the diagnosis category changes and the updated iron metabolism group discussed in the article.
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Clinical background on hemochromatosis and iron overload
General discussion of hereditary and secondary forms of iron overload, including broad clinical effects and related patient populations.
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ICD-9-CM 275.0 family and new code listings
Presentation of the expanded diagnosis family and the newly created code group in the article.
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Coding example involving sickle cell disease and chronic iron overload
A brief case scenario used to illustrate the coding context for transfusion-related iron overload.
What You Will Learn
- The clinical context of transfusion-associated iron overload
- How the article frames hereditary versus secondary hemochromatosis
- Which ICD-9-CM diagnosis group changes are discussed
- How a transfusion-related iron overload scenario is presented in the article
Who Should Read This
- Medical coders
- Billing staff
- Clinical documentation specialists
- Healthcare revenue cycle professionals
Codes Discussed
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