M13.86

Non-billable

Other specified arthritis, knee

M13.86 is the ICD-10-CM code for Other specified arthritis, knee. It is a non-billable category code — use a more specific child code such as M13.861 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M13.8
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 M13.86?
M13.86 is the ICD-10-CM code for "Other specified arthritis, knee". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M13.86 a billable code?
No — M13.86 is a non-billable header code. Use a more specific child code (such as M13.861) for billing.
What are the subcodes of M13.86?
M13.86 has 3 more specific child codes, including M13.861, M13.862, M13.869.

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

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