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ICD-10 diagnosis code

M90.5 Osteonecrosis in other diseases classified elsewhere

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M90.5 is the ICD-10 code for Osteonecrosis in other diseases classified elsewhere. 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

M90.5 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

SwedenICD-10-SE

M90.5Osteonekros vid andra sjukdomar som klassificeras på annan plats

NorwayICD-10-NO

M90.5Osteonekrose ved annen sykdom klassifisert annet sted

  • M90.50Osteonekrose ved annen sykdom klassifisert annet sted, i flere lokalisasjoner
  • M90.51Osteonekrose ved annen sykdom klassifisert annet sted, i skulderregionen
  • M90.52Osteonekrose ved annen sykdom klassifisert annet sted, i overarm
  • M90.53Osteonekrose ved annen sykdom klassifisert annet sted, i underarm
  • M90.54Osteonekrose ved annen sykdom klassifisert annet sted, i hånd
  • M90.55Osteonekrose ved annen sykdom klassifisert annet sted, i bekkenregion eller lår
  • M90.56Osteonekrose ved annen sykdom klassifisert annet sted, i kne eller legg
  • M90.57Osteonekrose ved annen sykdom klassifisert annet sted, i ankel eller fot
  • and 2 more national subcodes
DenmarkICD-10-DK

DM905Osteonekrose ved anden sygdom klassificeret andetsteds

GermanyICD-10-GM

M90.5Knochennekrose bei sonstigen anderenorts klassifizierten Krankheiten

United StatesICD-10-CM

Listed through more specific codes:

  • M90.50Osteonecrosis in diseases classified elsewhere, unspecified site
  • M90.58Osteonecrosis in diseases classified elsewhere, other site
  • M90.59Osteonecrosis in diseases classified elsewhere, multiple sites

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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