M90Header code — not billable
Osteopathies in diseases classified elsewhere
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue
- Category
- M90
- Effective date
- October 1, 2026
Related codes in category M90
M90.5Osteonecrosis in diseases classified elsewhereM90.50Osteonecrosis in diseases classified elsewhere, unsp siteYesM90.51Osteonecrosis in diseases classified elsewhere, shoulderM90.511Osteonecrosis in diseases classd elswhr, right shoulderYesM90.512Osteonecrosis in diseases classd elswhr, left shoulderYesM90.519Osteonecrosis in diseases classd elswhr, unsp shoulderYesM90.52Osteonecrosis in diseases classified elsewhere, upper armM90.521Osteonecrosis in diseases classd elswhr, right upper armYesM90.522Osteonecrosis in diseases classd elswhr, left upper armYesM90.529Osteonecrosis in diseases classd elswhr, unsp upper armYesM90.53Osteonecrosis in diseases classified elsewhere, forearmM90.531Osteonecrosis in diseases classd elswhr, right forearmYes
Frequently asked questions
What is ICD-10 code M90?
M90 is an ICD-10-CM diagnosis code for Osteopathies in diseases classified elsewhere.
Is M90 a billable code?
No. M90 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is M90 in?
M90 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M90 become effective?
M90 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M90?
M90 belongs to category M90, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.