D63Header code — not billable

Anemia in chronic diseases classified elsewhere

Chapter
3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Category
D63
Effective date
October 1, 2026

Related codes in category D63

Frequently asked questions

What is ICD-10 code D63?

D63 is an ICD-10-CM diagnosis code for Anemia in chronic diseases classified elsewhere.

Is D63 a billable code?

No. D63 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 D63 in?

D63 falls under Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.

When did D63 become effective?

D63 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to D63?

D63 belongs to category D63, which includes 3 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.