M92.21Header code — not billable

Osteochondrosis (juvenile) of carpal lunate [Kienbock]

Chapter
13. Diseases of the musculoskeletal system and connective tissue
Category
M92
Effective date
October 1, 2026

Related codes in category M92

Frequently asked questions

What is ICD-10 code M92.21?

M92.21 is an ICD-10-CM diagnosis code for Osteochondrosis (juvenile) of carpal lunate [Kienbock].

Is M92.21 a billable code?

No. M92.21 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is M92.21 in?

M92.21 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M92.21 become effective?

M92.21 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M92.21?

M92.21 belongs to category M92, 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.