D74.9 is the ICD-10 code for Methaemoglobinaemia, unspecified. It is a four-character subcategory of D74 (Methaemoglobinaemia), the most specific level in the WHO edition. It belongs to the block D70–D77 (Other diseases of blood and blood-forming organs) in Chapter III, Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.
- Code type
- Subcategory (4 characters)
- Chapter
- III · D50–D89
- Classification
- WHO ICD-10, 2019 version
D74.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
D74.9Uspesifisert methemoglobinemi
DD749Methæmoglobinæmi UNS
D74.9Määrittämätön methemoglobinemia
D74.9Methämoglobinämie, nicht näher bezeichnet
D74.9Méthémoglobinémie, sans précision
D74.9methemoglobinemie, niet-gespecificeerd
D74.9Methemoglobinemia, unspecified
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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