C41Header code — not billable

Malignant neoplasm of bone and articular cartilage of other and unspecified sites

Short description: Malignant neoplasm of bone/artic cartl of and unsp sites

Chapter
2. Neoplasms
Category
C41
Effective date
October 1, 2026

Related codes in category C41

Frequently asked questions

What is ICD-10 code C41?

C41 is an ICD-10-CM diagnosis code for Malignant neoplasm of bone and articular cartilage of other and unspecified sites.

Is C41 a billable code?

No. C41 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 C41 in?

C41 falls under Chapter 2: Neoplasms.

When did C41 become effective?

C41 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to C41?

C41 belongs to category C41, which includes 6 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.