M25.6
Non-billableStiffness of joint, not elsewhere classified
M25.6 is the ICD-10-CM code for Stiffness of joint, not elsewhere classified. It is a non-billable category code — use a more specific child code such as M25.60 for billing.
M00-M99 Diseases of the musculoskeletal system and connective tissue
Frequently asked questions
- What is ICD-10 code M25.6?
- M25.6 is the ICD-10-CM code for "Stiffness of joint, not elsewhere classified". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
- Is M25.6 a billable code?
- No — M25.6 is a non-billable header code. Use a more specific child code (such as M25.60) for billing.
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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