M21.239Billable

Flexion deformity, unspecified wrist

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 M21.239?

M21.239 is an ICD-10-CM diagnosis code for Flexion deformity, unspecified wrist.

Is M21.239 a billable code?

Yes. M21.239 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is M21.239 in?

M21.239 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M21.239 become effective?

M21.239 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M21.239?

M21.239 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.