M90.4 is the ICD-10 code for Osteonecrosis due to haemoglobinopathyD50-D64. It is a four-character subcategory of M90 (Osteopathies in diseases classified elsewhere), the most specific level in the WHO edition. It belongs to the block M86–M90 (Other osteopathies) in Chapter XIII, Diseases of the musculoskeletal system and connective tissue.
- Code type
- Subcategory (4 characters)
- Chapter
- XIII · M00–M99
- Classification
- WHO ICD-10, 2019 version
M90.4 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M90.4Osteonekrose som skyldes hemoglobinsykdommer
- M90.40Osteonekrose på grunn av hemoglobinsykdommer, i flere lokalisasjoner
- M90.41Osteonekrose på grunn av hemoglobinsykdommer, i skulderregionen
- M90.42Osteonekrose på grunn av hemoglobinsykdommer, i overarm
- M90.43Osteonekrose på grunn av hemoglobinsykdommer, i underarm
- M90.44Osteonekrose på grunn av hemoglobinsykdommer, i hånd
- M90.45Osteonekrose på grunn av hemoglobinsykdommer, i bekkenregion eller lår
- M90.46Osteonekrose på grunn av hemoglobinsykdommer, i kne eller legg
- M90.47Osteonekrose på grunn av hemoglobinsykdommer, i ankel eller fot
- and 2 more national subcodes
DM904Osteonekrose ved hæmoglobinopati
M90.4Knochennekrose durch Hämoglobinopathie
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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