M94.21Header code — not billable

Chondromalacia, shoulder

Chapter
13. Diseases of the musculoskeletal system and connective tissue
Category
M94
Effective date
October 1, 2026

Related codes in category M94

Frequently asked questions

What is ICD-10 code M94.21?

M94.21 is an ICD-10-CM diagnosis code for Chondromalacia, shoulder.

Is M94.21 a billable code?

No. M94.21 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 M94.21 in?

M94.21 falls under Chapter 13: Diseases of the musculoskeletal system and connective tissue.

When did M94.21 become effective?

M94.21 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to M94.21?

M94.21 belongs to category M94, 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.