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D84.822 Immunodeficiency due to external causes
BackD84Other immunodeficienciesCategory4 →D84.0Lymphocyte function antigen-1 [LFA-1] defectCategoryD84.1Defects in the complement systemCategoryD84.8Other specified immunodeficienciesCategory3 →D84.81Immunodeficiency due to conditions classified elsewhereCategoryD84.82Immunodeficiency due to drugs and external causesCategory2 →D84.821Immunodeficiency due to drugsCategoryD84.822Immunodeficiency due to external causesCategoryD84.89Other immunodeficienciesCategoryD84.9Immunodeficiency, unspecifiedCategory
CategoryCODABLE
D84.822
Immunodeficiency due to external causes
CODING RULE
Use additional code: code for external cause such as:
exposure to ionizing radiation (W88)
Code also: , if applicable, radiological procedure and radiotherapy (Y84.2)
exposure to ionizing radiation (W88)
Code also: , if applicable, radiological procedure and radiotherapy (Y84.2)
- Chapter
- III · Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
- Section
- D80-D89
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.