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M26.64

Non-billable

Arthritis of temporomandibular joint

M26.64 is the ICD-10-CM code for Arthritis of temporomandibular joint. It is a non-billable category code — use a more specific child code such as M26.641 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M26.6
Subcodes
4
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 M26.64?
M26.64 is the ICD-10-CM code for "Arthritis of temporomandibular joint". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M26.64 a billable code?
No — M26.64 is a non-billable header code. Use a more specific child code (such as M26.641) for billing.
What are the subcodes of M26.64?
M26.64 has 4 more specific child codes, including M26.641, M26.642, M26.643.

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

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