M12.26

Non-billable

Villonodular synovitis (pigmented), knee

M12.26 is the ICD-10-CM code for Villonodular synovitis (pigmented), knee. It is a non-billable category code — use a more specific child code such as M12.261 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M12.2
Subcodes
3
Edition
FY2026

M00-M99 Diseases of the musculoskeletal system and connective tissue

No additional coding notes for this code.

Frequently asked questions

What is ICD-10 code M12.26?
M12.26 is the ICD-10-CM code for "Villonodular synovitis (pigmented), knee". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M12.26 a billable code?
No — M12.26 is a non-billable header code. Use a more specific child code (such as M12.261) for billing.
What are the subcodes of M12.26?
M12.26 has 3 more specific child codes, including M12.261, M12.262, M12.269.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

Look up another ICD-10 code or condition

Powered by Eleplan

Free ICD-10 lookup is just the start. Eleplan keeps the whole care plan in one place.

Diagnoses, medications, documents, appointments, and the whole care team — organized and always in sync, with Ellie, your AI care assistant, on top of it. Free to start.