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M21.72

Non-billable

Unequal limb length (acquired), humerus

M21.72 is the ICD-10-CM code for Unequal limb length (acquired), humerus. It is a non-billable category code — use a more specific child code such as M21.721 for billing.

Status
Header (non-billable)
Chapter
M00-M99
Parent
M21.7
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 M21.72?
M21.72 is the ICD-10-CM code for "Unequal limb length (acquired), humerus". It falls under M00-M99 Diseases of the musculoskeletal system and connective tissue.
Is M21.72 a billable code?
No — M21.72 is a non-billable header code. Use a more specific child code (such as M21.721) for billing.
What are the subcodes of M21.72?
M21.72 has 3 more specific child codes, including M21.721, M21.722, M21.729.

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

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