2025
ICD-10-CM
Diagnosis
Code

D84.81 Immunodeficiency due to conditions classified elsewhere

  • Billable
  • 2021–2025

D84.81 is a billable/specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Immunodeficiency due to conditions classified elsewhere.

Code first

  • Underlying condition, such as:

    • Chromosomal abnormalities (Q90-Q99)

    • Diabetes mellitus (E08-E13)

    • Malignant neoplasms (C00-C96)

Type 1 excludes

  • Certain disorders involving the immune mechanism (D80-D83, D84.0, D84.1, D84.9)

  • Human immunodeficiency virus [HIV] disease (B20)

Versions

  1. 2025

    No changes

  2. 2024

    No changes

  3. 2023

    No changes

  4. 2022

    No changes

  5. 2021

    New code