M87.9 is the ICD-10 code for Osteonecrosis, unspecified. It is a four-character subcategory of M87 (Osteonecrosis), 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
M87.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M87.9Uspesifisert osteonekrose
- M87.90Uspesifisert osteonekrose i flere lokalisasjoner
- M87.91Uspesifisert osteonekrose i skulderregionen
- M87.92Uspesifisert osteonekrose i overarm
- M87.93Uspesifisert osteonekrose i underarm
- M87.94Uspesifisert osteonekrose i hånd
- M87.95Uspesifisert osteonekrose i bekkenregion eller lår
- M87.96Uspesifisert osteonekrose i kne eller legg
- M87.97Uspesifisert osteonekrose i ankel eller fot
- and 2 more national subcodes
DM879Knoglenekrose UNS
M87.9Määrittämätön luukuolio
M87.9Knochennekrose, nicht näher bezeichnet
M87.9Ostéonécrose, sans précision
M87.9botnecrose, niet-gespecificeerd
M87.9Osteonecrosis, 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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