D83Header code — not billable

Common variable immunodeficiency

Chapter
3. Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
Category
D83
Effective date
October 1, 2026

Related codes in category D83

D83.0Com variab immunodef w predom abnlt of B-cell nums & functnYesD83.1Com variab immunodef w predom immunoreg T-cell disordersYesD83.2Common variable immunodef w autoantibodies to B- or T-cellsYesD83.8Other common variable immunodeficienciesYesD83.9Common variable immunodeficiency, unspecifiedYes

Frequently asked questions

What is ICD-10 code D83?

D83 is an ICD-10-CM diagnosis code for Common variable immunodeficiency.

Is D83 a billable code?

No. D83 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 D83 in?

D83 falls under Chapter 3: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism.

When did D83 become effective?

D83 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to D83?

D83 belongs to category D83, which includes 5 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.