M21.722Billable

Unequal limb length (acquired), left humerus

Chapter
13. Diseases of the musculoskeletal system and connective tissue
Category
M21
Effective date
October 1, 2026

Related codes in category M21

Frequently asked questions

What is ICD-10 code M21.722?

M21.722 is an ICD-10-CM diagnosis code for Unequal limb length (acquired), left humerus.

Is M21.722 a billable code?

Yes. M21.722 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is M21.722 in?

M21.722 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M21.722 become effective?

M21.722 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M21.722?

M21.722 belongs to category M21, which includes 12 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.