M86.9 is the ICD-10 code for Osteomyelitis, unspecified. It is a four-character subcategory of M86 (Osteomyelitis), 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
What M86.9 includes
Conditions and terms that are coded here.
- Infection of bone NOS
- Periostitis NOS
M86.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
M86.9Uspesifisert osteomyelitt
- M86.90Uspesifisert osteomyelitt i flere lokalisasjoner
- M86.91Uspesifisert osteomyelitt i skulderregionen
- M86.92Uspesifisert osteomyelitt i overarm
- M86.93Uspesifisert osteomyelitt i underarm
- M86.94Uspesifisert osteomyelitt i hånd
- M86.95Uspesifisert osteomyelitt i bekkenregion eller lår
- M86.96Uspesifisert osteomyelitt i kne eller legg
- M86.97Uspesifisert osteomyelitt i ankel eller fot
- and 2 more national subcodes
DM869Osteomyelitis UNS
- DM869APeriostal absces UNS
- DM869BPeriostitis UNS
- DM869COstitis UNS
M86.9Määrittämätön osteomyeliitti
M86.9Osteomyelitis, nicht näher bezeichnet
M86.9Ostéomyélite, sans précision
M86.9osteomyelitis, niet-gespecificeerd
M86.9Osteomyelitis, 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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