M67.9Header code — not billable
Unspecified disorder of synovium and tendon
- Chapter
- 13. Diseases of the musculoskeletal system and connective tissue
- Category
- M67
- Effective date
- October 1, 2026
Related codes in category M67
M67Other disorders of synovium and tendonM67.0Short Achilles tendon (acquired)M67.00Short Achilles tendon (acquired), unspecified ankleYesM67.01Short Achilles tendon (acquired), right ankleYesM67.02Short Achilles tendon (acquired), left ankleYesM67.2Synovial hypertrophy, not elsewhere classifiedM67.20Synovial hypertrophy, not elsewhere classified, unsp siteYesM67.21Synovial hypertrophy, not elsewhere classified, shoulderM67.211Synovial hypertrophy, NEC, right shoulderYesM67.212Synovial hypertrophy, NEC, left shoulderYesM67.219Synovial hypertrophy, NEC, unsp shoulderYesM67.22Synovial hypertrophy, not elsewhere classified, upper arm
Frequently asked questions
What is ICD-10 code M67.9?
M67.9 is an ICD-10-CM diagnosis code for Unspecified disorder of synovium and tendon.
Is M67.9 a billable code?
No. M67.9 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 M67.9 in?
M67.9 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.
When did M67.9 become effective?
M67.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to M67.9?
M67.9 belongs to category M67, 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.