M87 is the ICD-10 code for Osteonecrosis. It is a three-character category divided into 6 subcodes; use the subcode whenever the record supports that level of detail. It belongs to the block M86–M90 (Other osteopathies) in Chapter XIII, Diseases of the musculoskeletal system and connective tissue.
- Code type
- Category (3 characters)
- Chapter
- XIII · M00–M99
- Classification
- WHO ICD-10, 2019 version
What M87 includes
Conditions and terms that are coded here.
- avascular necrosis of bone
What M87 excludes
Conditions that look similar but belong under another code.
Subcodes of M87
M87 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
DM87Knoglenekrose
M87Luukuolio
M87Knochennekrose
M87Ostéonécrose
M87botnecrose
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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