C50.AHeader code — not billable

Malignant inflammatory neoplasm of breast

Chapter
2. Neoplasms
Category
C50
Effective date
October 1, 2026

Related codes in category C50

Frequently asked questions

What is ICD-10 code C50.A?

C50.A is an ICD-10-CM diagnosis code for Malignant inflammatory neoplasm of breast.

Is C50.A a billable code?

No. C50.A 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 C50.A in?

C50.A falls under Chapter 2: Neoplasms.

When did C50.A become effective?

C50.A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to C50.A?

C50.A belongs to category C50, 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.