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D84.822

✓ Billable

Immunodeficiency due to external causes

Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)

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  • • code for external cause such as:
  • • exposure to ionizing radiation (W88)

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Code Information

CodeD84.822
BillableYes
ParentD84.82
CategoryDiseases of the blood and blood-forming organs and certain disorders involving the immune mechanism (D50-D89)
Excludes10 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)