C71Header code — not billable

Malignant neoplasm of brain

Chapter
2. Neoplasms
Category
C71
Effective date
October 1, 2026

Related codes in category C71

Frequently asked questions

What is ICD-10 code C71?

C71 is an ICD-10-CM diagnosis code for Malignant neoplasm of brain.

Is C71 a billable code?

No. C71 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 C71 in?

C71 falls under Chapter 2: Neoplasms.

When did C71 become effective?

C71 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to C71?

C71 belongs to category C71, which includes 10 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.