M21.751Billable

Unequal limb length (acquired), right femur

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 M21.751?

M21.751 is an ICD-10-CM diagnosis code for Unequal limb length (acquired), right femur.

Is M21.751 a billable code?

Yes. M21.751 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is M21.751 in?

M21.751 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M21.751 become effective?

M21.751 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M21.751?

M21.751 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.