2026 ICD-10-CM Diagnosis Code D83Common variable immunodeficiency

ICD-10-CM Codes›D50–D89›D80-D89›D83

ICD-10-CM D83
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

D83 is a non-billable ICD-10-CM category code for common variable immunodeficiency, so it cannot be submitted on claims. Use a more specific code from this category instead, such as D83.0, D83.1, D83.2, and D83.8.

Code Identity

ICD-10-CM Code
D83
Billable Status
No — Non-Billable Category
Code Describes
Common variable immunodeficiency
Chapter
D80-D89
Certain disorders involving the immune mechanism

Code Classification

ChapterD50–D89Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
SectionD80-D89Certain disorders involving the immune mechanism
CategoryD83Common variable immunodeficiency
This CodeD83Common variable immunodeficiency

Specific Coding for Common variable immunodeficiencyOverview

Non-specific codes like D83 require more characters. Use one of these billable codes instead:

  • Use D83.0 for Common variable immunodeficiency with predominant abnormalities of B-cell numbers and function

  • Use D83.1 for Common variable immunodeficiency with predominant immunoregulatory T-cell disorders

  • Use D83.2 for Common variable immunodeficiency with autoantibodies to B- or T-cells

  • Use D83.8 for Other common variable immunodeficiencies

  • Use D83.9 for Common variable immunodeficiency, unspecified

Clinical InformationClinical

  • Common Variable Immunodeficiency

    heterogeneous group of immunodeficiency syndromes characterized by hypogammaglobulinemia of most isotypes, variable b-cell defects, and the presence of recurrent bacterial infections.

Patient EducationClinical

Immune System and Disorders

Your immune system is a complex network of cells, tissues, and organs. Together they help the body fight infections and other diseases.

The full article covers:

  • What is the immune system?
  • What are the parts of the immune system?
  • How does the immune system work?
  • What are the types of immunity?
  • What can go wrong with the immune system?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About D83Overview

Is D83 (Common variable immunodeficiency) a billable code?

No. This is a category header that groups the codes for common variable immunodeficiency, and headers cannot be submitted on claims. Claims for common variable immunodeficiency need a more specific code from this category, such as D83.0, D83.1, and D83.2.