M35
Non-billableOther systemic involvement of connective tissue
M35 is the ICD-10-CM code for Other systemic involvement of connective tissue. It is a non-billable category code — use a more specific child code such as M35.0 for billing.
- Status
- Header (non-billable)
- Chapter
- M00-M99
- Subcodes
- 10
- Edition
- FY2026
M00-M99 Diseases of the musculoskeletal system and connective tissue
Excludes1 — not coded here
- •reactive perforating collagenosis (L87.1)
Frequently asked questions
- What is ICD-10 code M35?
- M35 is the ICD-10-CM code for "Other systemic involvement of connective tissue". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
- Is M35 a billable code?
- No — M35 is a non-billable header code. Use a more specific child code (such as M35.0) for billing.
- What is excluded from M35?
- Excludes1 (not coded here): reactive perforating collagenosis (L87.1).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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