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M88.8

Non-billable

Osteitis deformans of other bones

M88.8 is the ICD-10-CM code for Osteitis deformans of other bones. It is a non-billable category code — use a more specific child code such as M88.81 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M88
Subcodes
9
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 M88.8?
M88.8 is the ICD-10-CM code for "Osteitis deformans of other bones". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M88.8 a billable code?
No — M88.8 is a non-billable header code. Use a more specific child code (such as M88.81) for billing.
What are the subcodes of M88.8?
M88.8 has 9 more specific child codes, including M88.81, M88.82, M88.83.

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

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