D80Header code — not billable

Immunodeficiency with predominantly antibody defects

Chapter
3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Category
D80
Effective date
October 1, 2026

Related codes in category D80

Frequently asked questions

What is ICD-10 code D80?

D80 is an ICD-10-CM diagnosis code for Immunodeficiency with predominantly antibody defects.

Is D80 a billable code?

No. D80 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 D80 in?

D80 falls under Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.

When did D80 become effective?

D80 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to D80?

D80 belongs to category D80, 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.